152621493 has 8 divisors (see below), whose sum is σ = 203638656. Its totient is φ = 101676000.

The previous prime is 152621453. The next prime is 152621501. The reversal of 152621493 is 394126251.

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

It is not a de Polignac number, because 152621493 - 2⁶ = 152621429 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152621453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12733 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (25454832).

Almost surely, 2^152621493 is an apocalyptic number.

It is an amenable number.

152621493 is a deficient number, since it is larger than the sum of its proper divisors (51017163).

152621493 is a wasteful number, since it uses less digits than its factorization.

152621493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35835.

The product of its digits is 12960, while the sum is 33.

The square root of 152621493 is about 12354.0071636696. The cubic root of 152621493 is about 534.4067059742.

The spelling of 152621493 in words is "one hundred fifty-two million, six hundred twenty-one thousand, four hundred ninety-three".