155412929 has 16 divisors (see below), whose sum is σ = 188755200. Its totient is φ = 125347392.

The previous prime is 155412893. The next prime is 155412931. The reversal of 155412929 is 929214551.

It is a de Polignac number, because none of the positive numbers 2^k-155412929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155412892 and 155412901.

It is not an unprimeable number, because it can be changed into a prime (155412979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32132 + ... + 36650.

It is an arithmetic number, because the mean of its divisors is an integer number (11797200).

Almost surely, 2^155412929 is an apocalyptic number.

It is an amenable number.

155412929 is a deficient number, since it is larger than the sum of its proper divisors (33342271).

155412929 is an frugal number, since it uses more digits than its factorization.

155412929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4543 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 155412929 is about 12466.4721954529. The cubic root of 155412929 is about 537.6451285772.

The spelling of 155412929 in words is "one hundred fifty-five million, four hundred twelve thousand, nine hundred twenty-nine".