155420396 has 24 divisors (see below), whose sum is σ = 286146000. Its totient is φ = 73755584.

The previous prime is 155420383. The next prime is 155420459. The reversal of 155420396 is 693024551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (11922750).

Almost surely, 2^155420396 is an apocalyptic number.

It is an amenable number.

155420396 is a deficient number, since it is larger than the sum of its proper divisors (130725604).

155420396 is a wasteful number, since it uses less digits than its factorization.

155420396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22801 (or 22799 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 155420396 is about 12466.7716751371. The cubic root of 155420396 is about 537.6537390403.

The spelling of 155420396 in words is "one hundred fifty-five million, four hundred twenty thousand, three hundred ninety-six".