149154012 has 36 divisors (see below), whose sum is σ = 430890096. Its totient is φ = 42615360.

The previous prime is 149153999. The next prime is 149154013. The reversal of 149154012 is 210451941.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×149154012² = 44493838591392288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149154013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295689 + ... + 296192.

Almost surely, 2^149154012 is an apocalyptic number.

149154012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149154012 is an abundant number, since it is smaller than the sum of its proper divisors (281736084).

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

149154012 is a wasteful number, since it uses less digits than its factorization.

149154012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591898 (or 591893 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 149154012 is about 12212.8625637072. The cubic root of 149154012 is about 530.3285159220.

The spelling of 149154012 in words is "one hundred forty-nine million, one hundred fifty-four thousand, twelve".