151090209 has 12 divisors (see below), whose sum is σ = 221941200. Its totient is φ = 99019224.

The previous prime is 151090193. The next prime is 151090213. The reversal of 151090209 is 902090151.

It is a happy number.

It is not a de Polignac number, because 151090209 - 2⁴ = 151090193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151090279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141739 + ... + 142800.

It is an arithmetic number, because the mean of its divisors is an integer number (18495100).

Almost surely, 2^151090209 is an apocalyptic number.

It is an amenable number.

151090209 is a deficient number, since it is larger than the sum of its proper divisors (70850991).

151090209 is a wasteful number, since it uses less digits than its factorization.

151090209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284604 (or 284601 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 151090209 is about 12291.8757315554. The cubic root of 151090209 is about 532.6134229065.

It can be divided in two parts, 1510 and 90209, that added together give a palindrome (91719).

The spelling of 151090209 in words is "one hundred fifty-one million, ninety thousand, two hundred nine".