152021055 has 32 divisors (see below), whose sum is σ = 265863168. Its totient is φ = 73843200.

The previous prime is 152021017. The next prime is 152021081. The reversal of 152021055 is 550120251.

It is not a de Polignac number, because 152021055 - 2⁶ = 152020991 is a prime.

It is a super-2 number, since 2×152021055² = 46220802326626050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1711 + ... + 17520.

It is an arithmetic number, because the mean of its divisors is an integer number (8308224).

Almost surely, 2^152021055 is an apocalyptic number.

152021055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

152021055 is a deficient number, since it is larger than the sum of its proper divisors (113842113).

152021055 is a wasteful number, since it uses less digits than its factorization.

152021055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19287.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 152021055 is about 12329.6818693752. The cubic root of 152021055 is about 533.7049703596.

The spelling of 152021055 in words is "one hundred fifty-two million, twenty-one thousand, fifty-five".