151897830 has 64 divisors (see below), whose sum is σ = 430092288. Its totient is φ = 33598080.

The previous prime is 151897817. The next prime is 151897831. The reversal of 151897830 is 38798151.

151897830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151897831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5157 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (6720192).

Almost surely, 2^151897830 is an apocalyptic number.

151897830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151897830 is an abundant number, since it is smaller than the sum of its proper divisors (278194458).

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

151897830 is a wasteful number, since it uses less digits than its factorization.

151897830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 151897830 is about 12324.6837687626. The cubic root of 151897830 is about 533.5607281198.

The spelling of 151897830 in words is "one hundred fifty-one million, eight hundred ninety-seven thousand, eight hundred thirty".