155150400 has 84 divisors (see below), whose sum is σ = 509038352. Its totient is φ = 41372160.

The previous prime is 155150363. The next prime is 155150441. The reversal of 155150400 is 4051551.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11362 + ... + 20961.

Almost surely, 2^155150400 is an apocalyptic number.

155150400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155150400 is an abundant number, since it is smaller than the sum of its proper divisors (353887952).

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

155150400 is a wasteful number, since it uses less digits than its factorization.

155150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32348 (or 32333 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 155150400 is about 12455.9383428146. The cubic root of 155150400 is about 537.3422215826.

The spelling of 155150400 in words is "one hundred fifty-five million, one hundred fifty thousand, four hundred".