151450020 has 48 divisors (see below), whose sum is σ = 471179520. Its totient is φ = 40386528.

The previous prime is 151450003. The next prime is 151450049. The reversal of 151450020 is 20054151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151449975 and 151450002.

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, 139692 + ... + 140771.

It is an arithmetic number, because the mean of its divisors is an integer number (9816240).

Almost surely, 2^151450020 is an apocalyptic number.

151450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151450020 is an abundant number, since it is smaller than the sum of its proper divisors (319729500).

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

151450020 is a wasteful number, since it uses less digits than its factorization.

151450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280481 (or 280473 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 151450020 is about 12306.5031588994. The cubic root of 151450020 is about 533.0358818788.

The spelling of 151450020 in words is "one hundred fifty-one million, four hundred fifty thousand, twenty".