151585090 has 16 divisors (see below), whose sum is σ = 288903672. Its totient is φ = 57067264.

The previous prime is 151585051. The next prime is 151585099. The reversal of 151585090 is 90585151.

It can be written as a sum of positive squares in 4 ways, for example, as 150822961 + 762129 = 12281^2 + 873^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (151585099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445669 + ... + 446008.

Almost surely, 2^151585090 is an apocalyptic number.

151585090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151585090 is a deficient number, since it is larger than the sum of its proper divisors (137318582).

151585090 is a wasteful number, since it uses less digits than its factorization.

151585090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891701.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 151585090 is about 12311.9896848560. The cubic root of 151585090 is about 533.1942966565.

The spelling of 151585090 in words is "one hundred fifty-one million, five hundred eighty-five thousand, ninety".