152390690 has 8 divisors (see below), whose sum is σ = 274303260. Its totient is φ = 60956272.

The previous prime is 152390681. The next prime is 152390713. The reversal of 152390690 is 96093251.

It can be written as a sum of positive squares in 2 ways, for example, as 151856329 + 534361 = 12323^2 + 731^2 .

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

It is a super-2 number, since 2×152390690² = 46445844797352200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152390690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7619525 + ... + 7619544.

Almost surely, 2^152390690 is an apocalyptic number.

152390690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152390690 is a deficient number, since it is larger than the sum of its proper divisors (121912570).

152390690 is a wasteful number, since it uses less digits than its factorization.

152390690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15239076.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 152390690 is about 12344.6624093168. The cubic root of 152390690 is about 534.1371832132.

The spelling of 152390690 in words is "one hundred fifty-two million, three hundred ninety thousand, six hundred ninety".