149815046520 has 48 divisors (see below), whose sum is σ = 486898902360. Its totient is φ = 39950678976.

The previous prime is 149815046519. The next prime is 149815046551. The reversal of 149815046520 is 25640518941.

149815046520 is a `hidden beast` number, since 1 + 4 + 9 + 81 + 5 + 0 + 46 + 520 = 666.

It is a super-2 number, since 2×149815046520² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208076094 + ... + 208076813.

Almost surely, 2^149815046520 is an apocalyptic number.

149815046520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149815046520 is an abundant number, since it is smaller than the sum of its proper divisors (337083855840).

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

149815046520 is a wasteful number, since it uses less digits than its factorization.

149815046520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416152924 (or 416152917 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 149815046520 in words is "one hundred forty-nine billion, eight hundred fifteen million, forty-six thousand, five hundred twenty".