152490493 has 8 divisors (see below), whose sum is σ = 161734968. Its totient is φ = 143276544.

The previous prime is 152490491. The next prime is 152490511. The reversal of 152490493 is 394094251.

It can be written as a sum of positive squares in 4 ways, for example, as 5280804 + 147209689 = 2298^2 + 12133^2 .

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

It is not a de Polignac number, because 152490493 - 2¹ = 152490491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152490491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3105 + ... + 17737.

It is an arithmetic number, because the mean of its divisors is an integer number (20216871).

Almost surely, 2^152490493 is an apocalyptic number.

It is an amenable number.

152490493 is a deficient number, since it is larger than the sum of its proper divisors (9244475).

152490493 is a wasteful number, since it uses less digits than its factorization.

152490493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15263.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 152490493 is about 12348.7041020505. The cubic root of 152490493 is about 534.2537626447.

The spelling of 152490493 in words is "one hundred fifty-two million, four hundred ninety thousand, four hundred ninety-three".