151900420 has 24 divisors (see below), whose sum is σ = 364561344. Its totient is φ = 52080096.

The previous prime is 151900417. The next prime is 151900433. The reversal of 151900420 is 24009151.

It is a junction number, because it is equal to n+sod(n) for n = 151900391 and 151900400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542362 + ... + 542641.

It is an arithmetic number, because the mean of its divisors is an integer number (15190056).

Almost surely, 2^151900420 is an apocalyptic number.

151900420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151900420 is an abundant number, since it is smaller than the sum of its proper divisors (212660924).

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

151900420 is a wasteful number, since it uses less digits than its factorization.

151900420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085019 (or 1085017 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 151900420 is about 12324.7888420046. The cubic root of 151900420 is about 533.5637606723.

Adding to 151900420 its reverse (24009151), we get a palindrome (175909571).

The spelling of 151900420 in words is "one hundred fifty-one million, nine hundred thousand, four hundred twenty".