152464621 has 4 divisors (see below), whose sum is σ = 153889632. Its totient is φ = 151039612.

The previous prime is 152464589. The next prime is 152464633. The reversal of 152464621 is 126464251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126464251 = 73 ⋅1732387.

It is a cyclic number.

It is not a de Polignac number, because 152464621 - 2⁵ = 152464589 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152464021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712345 + ... + 712558.

It is an arithmetic number, because the mean of its divisors is an integer number (38472408).

Almost surely, 2^152464621 is an apocalyptic number.

It is an amenable number.

152464621 is a deficient number, since it is larger than the sum of its proper divisors (1425011).

152464621 is a wasteful number, since it uses less digits than its factorization.

152464621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425010.

The product of its digits is 11520, while the sum is 31.

The square root of 152464621 is about 12347.6564982996. The cubic root of 152464621 is about 534.2235465640.

The spelling of 152464621 in words is "one hundred fifty-two million, four hundred sixty-four thousand, six hundred twenty-one".