152420844 has 24 divisors (see below), whose sum is σ = 376569648. Its totient is φ = 47818240.

The previous prime is 152420837. The next prime is 152420909. The reversal of 152420844 is 448024251.

It is a super-2 number, since 2×152420844² = 46464227371344672, which contains 22 as substring.

It is an unprimeable number.

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, 373377 + ... + 373784.

It is an arithmetic number, because the mean of its divisors is an integer number (15690402).

Almost surely, 2^152420844 is an apocalyptic number.

It is an amenable number.

152420844 is an abundant number, since it is smaller than the sum of its proper divisors (224148804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152420844 is a wasteful number, since it uses less digits than its factorization.

152420844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747185 (or 747183 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 152420844 is about 12345.8836864762. The cubic root of 152420844 is about 534.1724113285.

The spelling of 152420844 in words is "one hundred fifty-two million, four hundred twenty thousand, eight hundred forty-four".