149929659546 has 64 divisors (see below), whose sum is σ = 318530434176. Its totient is φ = 46884096000.

The previous prime is 149929659541. The next prime is 149929659599. The reversal of 149929659546 is 645956929941.

It is a super-2 number, since 2×149929659546² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149929659541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52587021 + ... + 52589871.

It is an arithmetic number, because the mean of its divisors is an integer number (4977038034).

Almost surely, 2^149929659546 is an apocalyptic number.

149929659546 is an abundant number, since it is smaller than the sum of its proper divisors (168600774630).

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

149929659546 is a wasteful number, since it uses less digits than its factorization.

149929659546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367.

The product of its digits is 188956800, while the sum is 69.

The spelling of 149929659546 in words is "one hundred forty-nine billion, nine hundred twenty-nine million, six hundred fifty-nine thousand, five hundred forty-six".