155414564 has 24 divisors (see below), whose sum is σ = 276422328. Its totient is φ = 76446720.

The previous prime is 155414557. The next prime is 155414569. The reversal of 155414564 is 465414551.

155414564 = T₂₅₉ + T₂₆₀ + ... + T₉₈₂.

It can be written as a sum of positive squares in 4 ways, for example, as 21086464 + 134328100 = 4592^2 + 11590^2 .

It is not an unprimeable number, because it can be changed into a prime (155414569) 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, 69122 + ... + 71334.

It is an arithmetic number, because the mean of its divisors is an integer number (11517597).

Almost surely, 2^155414564 is an apocalyptic number.

It is an amenable number.

155414564 is a deficient number, since it is larger than the sum of its proper divisors (121007764).

155414564 is a wasteful number, since it uses less digits than its factorization.

155414564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2493 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 155414564 is about 12466.5377711697. The cubic root of 155414564 is about 537.6470139774.

The spelling of 155414564 in words is "one hundred fifty-five million, four hundred fourteen thousand, five hundred sixty-four".