155094408 has 72 divisors (see below), whose sum is σ = 488637630. Its totient is φ = 44311680.

The previous prime is 155094389. The next prime is 155094409. The reversal of 155094408 is 804490551.

It can be written as a sum of positive squares in only one way, i.e., 109369764 + 45724644 = 10458^2 + 6762^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155094409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18453 + ... + 25508.

Almost surely, 2^155094408 is an apocalyptic number.

155094408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155094408 is an abundant number, since it is smaller than the sum of its proper divisors (333543222).

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

155094408 is a wasteful number, since it uses less digits than its factorization.

155094408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43987 (or 43973 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 155094408 is about 12453.6905373468. The cubic root of 155094408 is about 537.2775735900.

The spelling of 155094408 in words is "one hundred fifty-five million, ninety-four thousand, four hundred eight".