149503995 has 32 divisors (see below), whose sum is σ = 266587200. Its totient is φ = 79494912.

The previous prime is 149503993. The next prime is 149503997. The reversal of 149503995 is 599305941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149503993) and next prime (149503997).

It is not a de Polignac number, because 149503995 - 2¹ = 149503993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 149503995.

It is not an unprimeable number, because it can be changed into a prime (149503993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48871 + ... + 51839.

It is an arithmetic number, because the mean of its divisors is an integer number (8330850).

Almost surely, 2^149503995 is an apocalyptic number.

149503995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149503995 is a deficient number, since it is larger than the sum of its proper divisors (117083205).

149503995 is a wasteful number, since it uses less digits than its factorization.

149503995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 149503995 is about 12227.1826272449. The cubic root of 149503995 is about 530.7429890327.

The spelling of 149503995 in words is "one hundred forty-nine million, five hundred three thousand, nine hundred ninety-five".