155250134400 has 96 divisors (see below), whose sum is σ = 511355161800. Its totient is φ = 41400033280.

The previous prime is 155250134393. The next prime is 155250134447. The reversal of 155250134400 is 4431052551.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 8076345 + ... + 8095544.

Almost surely, 2^155250134400 is an apocalyptic number.

155250134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155250134400 is an abundant number, since it is smaller than the sum of its proper divisors (356105027400).

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

155250134400 is a wasteful number, since it uses less digits than its factorization.

155250134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16171916 (or 16171899 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 155250134400 its reverse (4431052551), we get a palindrome (159681186951).

The spelling of 155250134400 in words is "one hundred fifty-five billion, two hundred fifty million, one hundred thirty-four thousand, four hundred".