149896773 has 48 divisors (see below), whose sum is σ = 248137344. Its totient is φ = 86486400.

The previous prime is 149896763. The next prime is 149896781. The reversal of 149896773 is 377698941.

It is a happy number.

It is not a de Polignac number, because 149896773 - 2⁸ = 149896517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149896723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142098 + ... + 143148.

It is an arithmetic number, because the mean of its divisors is an integer number (5169528).

Almost surely, 2^149896773 is an apocalyptic number.

149896773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149896773 is a deficient number, since it is larger than the sum of its proper divisors (98240571).

149896773 is a wasteful number, since it uses less digits than its factorization.

149896773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1143 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 149896773 is about 12243.2337640021. The cubic root of 149896773 is about 531.2073732257.

The spelling of 149896773 in words is "one hundred forty-nine million, eight hundred ninety-six thousand, seven hundred seventy-three".