149265040 has 40 divisors (see below), whose sum is σ = 355120128. Its totient is φ = 58316160.

The previous prime is 149265019. The next prime is 149265043. The reversal of 149265040 is 40562941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×149265040³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149264993 and 149265011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149265043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18256 + ... + 25135.

Almost surely, 2^149265040 is an apocalyptic number.

149265040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149265040 is an abundant number, since it is smaller than the sum of its proper divisors (205855088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149265040 is a wasteful number, since it uses less digits than its factorization.

149265040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447 (or 43441 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 149265040 is about 12217.4072535870. The cubic root of 149265040 is about 530.4600728042.

The spelling of 149265040 in words is "one hundred forty-nine million, two hundred sixty-five thousand, forty".