152262021 has 4 divisors (see below), whose sum is σ = 203016032. Its totient is φ = 101508012.

The previous prime is 152262007. The next prime is 152262023. The reversal of 152262021 is 120262251.

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.

It is not a de Polignac number, because 152262021 - 2⁹ = 152261509 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 (152262023) 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, 25377001 + ... + 25377006.

It is an arithmetic number, because the mean of its divisors is an integer number (50754008).

Almost surely, 2^152262021 is an apocalyptic number.

It is an amenable number.

152262021 is a deficient number, since it is larger than the sum of its proper divisors (50754011).

152262021 is an equidigital number, since it uses as much as digits as its factorization.

152262021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50754010.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 152262021 is about 12339.4497851403. The cubic root of 152262021 is about 533.9868104024.

The spelling of 152262021 in words is "one hundred fifty-two million, two hundred sixty-two thousand, twenty-one".