155024012 has 24 divisors (see below), whose sum is σ = 318721872. Its totient is φ = 65044800.

The previous prime is 155024011. The next prime is 155024017. The reversal of 155024012 is 210420551.

It is a super-2 number, since 2×155024012² = 48064888593152288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155024011) 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, 134939 + ... + 136082.

It is an arithmetic number, because the mean of its divisors is an integer number (13280078).

Almost surely, 2^155024012 is an apocalyptic number.

It is an amenable number.

155024012 is an abundant number, since it is smaller than the sum of its proper divisors (163697860).

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

155024012 is a wasteful number, since it uses less digits than its factorization.

155024012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271049 (or 271047 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 155024012 is about 12450.8639057698. The cubic root of 155024012 is about 537.1962727523.

Adding to 155024012 its reverse (210420551), we get a palindrome (365444563).

The spelling of 155024012 in words is "one hundred fifty-five million, twenty-four thousand, twelve".