155617948 has 12 divisors (see below), whose sum is σ = 273963312. Its totient is φ = 77342720.

The previous prime is 155617939. The next prime is 155617997. The reversal of 155617948 is 849716551.

It is a junction number, because it is equal to n+sod(n) for n = 155617898 and 155617907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115813 + ... + 117148.

It is an arithmetic number, because the mean of its divisors is an integer number (22830276).

Almost surely, 2^155617948 is an apocalyptic number.

It is an amenable number.

155617948 is a deficient number, since it is larger than the sum of its proper divisors (118345364).

155617948 is a wasteful number, since it uses less digits than its factorization.

155617948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233132 (or 233130 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 155617948 is about 12474.6923008145. The cubic root of 155617948 is about 537.8814431758.

The spelling of 155617948 in words is "one hundred fifty-five million, six hundred seventeen thousand, nine hundred forty-eight".