151229492 has 12 divisors (see below), whose sum is σ = 268990596. Its totient is φ = 74375040.

The previous prime is 151229489. The next prime is 151229497. The reversal of 151229492 is 294922151.

It can be written as a sum of positive squares in 2 ways, for example, as 44809636 + 106419856 = 6694^2 + 10316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151229497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309653 + ... + 310140.

It is an arithmetic number, because the mean of its divisors is an integer number (22415883).

Almost surely, 2^151229492 is an apocalyptic number.

It is an amenable number.

151229492 is a deficient number, since it is larger than the sum of its proper divisors (117761104).

151229492 is a wasteful number, since it uses less digits than its factorization.

151229492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619858 (or 619856 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 151229492 is about 12297.5400792191. The cubic root of 151229492 is about 532.7770364456. Note that the first 3 decimals are identical.

The spelling of 151229492 in words is "one hundred fifty-one million, two hundred twenty-nine thousand, four hundred ninety-two".