151512740 has 12 divisors (see below), whose sum is σ = 318176796. Its totient is φ = 60605088.

The previous prime is 151512737. The next prime is 151512763. The reversal of 151512740 is 47215151.

It can be written as a sum of positive squares in 2 ways, for example, as 73685056 + 77827684 = 8584^2 + 8822^2 .

It is a super-2 number, since 2×151512740² = 45912220764615200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787799 + ... + 3787838.

It is an arithmetic number, because the mean of its divisors is an integer number (26514733).

Almost surely, 2^151512740 is an apocalyptic number.

151512740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151512740 is an abundant number, since it is smaller than the sum of its proper divisors (166664056).

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

151512740 is a wasteful number, since it uses less digits than its factorization.

151512740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575646 (or 7575644 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 151512740 is about 12309.0511413350. The cubic root of 151512740 is about 533.1094537774.

Adding to 151512740 its reverse (47215151), we get a palindrome (198727891).

The spelling of 151512740 in words is "one hundred fifty-one million, five hundred twelve thousand, seven hundred forty".