149402420 has 48 divisors (see below), whose sum is σ = 321396096. Its totient is φ = 58320000.

The previous prime is 149402387. The next prime is 149402447. The reversal of 149402420 is 24204941.

149402420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149402420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183815 + ... + 184625.

It is an arithmetic number, because the mean of its divisors is an integer number (6695752).

Almost surely, 2^149402420 is an apocalyptic number.

149402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149402420 is an abundant number, since it is smaller than the sum of its proper divisors (171993676).

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

149402420 is a wasteful number, since it uses less digits than its factorization.

149402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 149402420 is about 12223.0282663504. The cubic root of 149402420 is about 530.6227638556.

The spelling of 149402420 in words is "one hundred forty-nine million, four hundred two thousand, four hundred twenty".