151009090 has 16 divisors (see below), whose sum is σ = 281189880. Its totient is φ = 58320640.

The previous prime is 151009087. The next prime is 151009097. The reversal of 151009090 is 90900151.

It can be written as a sum of positive squares in 4 ways, for example, as 87216921 + 63792169 = 9339^2 + 7987^2 .

It is not an unprimeable number, because it can be changed into a prime (151009097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260071 + ... + 260650.

Almost surely, 2^151009090 is an apocalyptic number.

151009090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151009090 is a deficient number, since it is larger than the sum of its proper divisors (130180790).

151009090 is a wasteful number, since it uses less digits than its factorization.

151009090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520757.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 151009090 is about 12288.5755887328. The cubic root of 151009090 is about 532.5180873605.

The spelling of 151009090 in words is "one hundred fifty-one million, nine thousand, ninety".