152805550 has 12 divisors (see below), whose sum is σ = 284218416. Its totient is φ = 61122200.

The previous prime is 152805509. The next prime is 152805557. The reversal of 152805550 is 55508251.

It is a super-2 number, since 2×152805550² = 46699072221605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152805557) 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 5 ways as a sum of consecutive naturals, for example, 1528006 + ... + 1528105.

It is an arithmetic number, because the mean of its divisors is an integer number (23684868).

Almost surely, 2^152805550 is an apocalyptic number.

152805550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152805550 is a deficient number, since it is larger than the sum of its proper divisors (131412866).

152805550 is a wasteful number, since it uses less digits than its factorization.

152805550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056123 (or 3056118 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 152805550 is about 12361.4542024796. The cubic root of 152805550 is about 534.6214458935.

The spelling of 152805550 in words is "one hundred fifty-two million, eight hundred five thousand, five hundred fifty".