155054012 has 12 divisors (see below), whose sum is σ = 272844936. Its totient is φ = 77098320.

The previous prime is 155053999. The next prime is 155054057. The reversal of 155054012 is 210450551.

It is a happy number.

It is a super-2 number, since 2×155054012² = 48083493274592288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106358 + ... + 107805.

It is an arithmetic number, because the mean of its divisors is an integer number (22737078).

Almost surely, 2^155054012 is an apocalyptic number.

It is an amenable number.

155054012 is a deficient number, since it is larger than the sum of its proper divisors (117790924).

155054012 is a wasteful number, since it uses less digits than its factorization.

155054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214348 (or 214346 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 155054012 is about 12452.0685831712. The cubic root of 155054012 is about 537.2309229730.

The spelling of 155054012 in words is "one hundred fifty-five million, fifty-four thousand, twelve".