155248458 has 16 divisors (see below), whose sum is σ = 314870976. Its totient is φ = 51020480.

The previous prime is 155248453. The next prime is 155248481. The reversal of 155248458 is 854842551.

It is a super-2 number, since 2×155248458² = 48204167422755528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155248451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181791 + ... + 182642.

It is an arithmetic number, because the mean of its divisors is an integer number (19679436).

Almost surely, 2^155248458 is an apocalyptic number.

155248458 is an abundant number, since it is smaller than the sum of its proper divisors (159622518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155248458 is a wasteful number, since it uses less digits than its factorization.

155248458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364509.

The product of its digits is 256000, while the sum is 42.

The square root of 155248458 is about 12459.8739158950. The cubic root of 155248458 is about 537.4554012392.

The spelling of 155248458 in words is "one hundred fifty-five million, two hundred forty-eight thousand, four hundred fifty-eight".