151561290 has 64 divisors (see below), whose sum is σ = 405440640. Its totient is φ = 36034560.

The previous prime is 151561261. The next prime is 151561301. The reversal of 151561290 is 92165151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1870 + ... + 17510.

It is an arithmetic number, because the mean of its divisors is an integer number (6335010).

Almost surely, 2^151561290 is an apocalyptic number.

151561290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151561290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202720320).

151561290 is an abundant number, since it is smaller than the sum of its proper divisors (253879350).

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

151561290 is a wasteful number, since it uses less digits than its factorization.

151561290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15687.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 151561290 is about 12311.0231093927. The cubic root of 151561290 is about 533.1663900234.

The spelling of 151561290 in words is "one hundred fifty-one million, five hundred sixty-one thousand, two hundred ninety".