152472770 has 8 divisors (see below), whose sum is σ = 274451004. Its totient is φ = 60989104.

The previous prime is 152472769. The next prime is 152472781. The reversal of 152472770 is 77274251.

It can be written as a sum of positive squares in 2 ways, for example, as 135932281 + 16540489 = 11659^2 + 4067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 152472770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7623629 + ... + 7623648.

Almost surely, 2^152472770 is an apocalyptic number.

152472770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152472770 is a deficient number, since it is larger than the sum of its proper divisors (121978234).

152472770 is a wasteful number, since it uses less digits than its factorization.

152472770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247284.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 152472770 is about 12347.9864755352. The cubic root of 152472770 is about 534.2330642040.

The spelling of 152472770 in words is "one hundred fifty-two million, four hundred seventy-two thousand, seven hundred seventy".