149757645 has 16 divisors (see below), whose sum is σ = 240307200. Its totient is φ = 79639104.

The previous prime is 149757637. The next prime is 149757659. The reversal of 149757645 is 546757941.

It is not a de Polignac number, because 149757645 - 2³ = 149757637 is a prime.

It is a super-3 number, since 3×149757645³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149757594 and 149757603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9069 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (15019200).

Almost surely, 2^149757645 is an apocalyptic number.

149757645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149757645 is a deficient number, since it is larger than the sum of its proper divisors (90549555).

149757645 is a wasteful number, since it uses less digits than its factorization.

149757645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28964.

The product of its digits is 1058400, while the sum is 48.

The square root of 149757645 is about 12237.5506127656. The cubic root of 149757645 is about 531.0429740969.

The spelling of 149757645 in words is "one hundred forty-nine million, seven hundred fifty-seven thousand, six hundred forty-five".