155236456 has 32 divisors (see below), whose sum is σ = 295980480. Its totient is φ = 76320000.

The previous prime is 155236439. The next prime is 155236463. The reversal of 155236456 is 654632551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128656 + ... + 129856.

It is an arithmetic number, because the mean of its divisors is an integer number (9249390).

Almost surely, 2^155236456 is an apocalyptic number.

It is an amenable number.

155236456 is a deficient number, since it is larger than the sum of its proper divisors (140744024).

155236456 is a wasteful number, since it uses less digits than its factorization.

155236456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1461 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 155236456 is about 12459.3922805248. The cubic root of 155236456 is about 537.4415509546.

The spelling of 155236456 in words is "one hundred fifty-five million, two hundred thirty-six thousand, four hundred fifty-six".