151405400 has 48 divisors (see below), whose sum is σ = 372732840. Its totient is φ = 56998400.

The previous prime is 151405379. The next prime is 151405487. The reversal of 151405400 is 4504151.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 18866 + ... + 25665.

Almost surely, 2^151405400 is an apocalyptic number.

151405400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151405400 is an abundant number, since it is smaller than the sum of its proper divisors (221327440).

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

151405400 is a wasteful number, since it uses less digits than its factorization.

151405400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44564 (or 44555 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 151405400 is about 12304.6901626981. The cubic root of 151405400 is about 532.9835293004.

Adding to 151405400 its reverse (4504151), we get a palindrome (155909551).

The spelling of 151405400 in words is "one hundred fifty-one million, four hundred five thousand, four hundred".