152521055 has 4 divisors (see below), whose sum is σ = 183025272. Its totient is φ = 122016840.

The previous prime is 152521021. The next prime is 152521079. The reversal of 152521055 is 550125251.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 152521055 - 2¹⁶ = 152455519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15252101 + ... + 15252110.

It is an arithmetic number, because the mean of its divisors is an integer number (45756318).

Almost surely, 2^152521055 is an apocalyptic number.

152521055 is a deficient number, since it is larger than the sum of its proper divisors (30504217).

152521055 is an equidigital number, since it uses as much as digits as its factorization.

152521055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30504216.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 152521055 is about 12349.9414978371. The cubic root of 152521055 is about 534.2894518047.

The spelling of 152521055 in words is "one hundred fifty-two million, five hundred twenty-one thousand, fifty-five".