145051187 has 8 divisors (see below), whose sum is σ = 152965200. Its totient is φ = 137165184.

The previous prime is 145051177. The next prime is 145051199. The reversal of 145051187 is 781150541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145051187 - 2⁸ = 145050931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145051117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (19120650).

Almost surely, 2^145051187 is an apocalyptic number.

145051187 is a deficient number, since it is larger than the sum of its proper divisors (7914013).

145051187 is a wasteful number, since it uses less digits than its factorization.

145051187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 145051187 is about 12043.7198157380. The cubic root of 145051187 is about 525.4205996091.

The spelling of 145051187 in words is "one hundred forty-five million, fifty-one thousand, one hundred eighty-seven".