155923473 has 8 divisors (see below), whose sum is σ = 220127328. Its totient is φ = 97834304.

The previous prime is 155923387. The next prime is 155923483. The reversal of 155923473 is 374329551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155923473 - 2⁹ = 155922961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155923483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528611 + ... + 1528712.

It is an arithmetic number, because the mean of its divisors is an integer number (27515916).

Almost surely, 2^155923473 is an apocalyptic number.

It is an amenable number.

155923473 is a deficient number, since it is larger than the sum of its proper divisors (64203855).

155923473 is a wasteful number, since it uses less digits than its factorization.

155923473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057343.

The product of its digits is 113400, while the sum is 39.

The square root of 155923473 is about 12486.9320891883. The cubic root of 155923473 is about 538.2332209323.

The spelling of 155923473 in words is "one hundred fifty-five million, nine hundred twenty-three thousand, four hundred seventy-three".