152281905 has 16 divisors (see below), whose sum is σ = 243991104. Its totient is φ = 81103680.

The previous prime is 152281897. The next prime is 152281931. The reversal of 152281905 is 509182251.

It is not a de Polignac number, because 152281905 - 2³ = 152281897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4650 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (15249444).

Almost surely, 2^152281905 is an apocalyptic number.

152281905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152281905 is a deficient number, since it is larger than the sum of its proper divisors (91709199).

152281905 is a wasteful number, since it uses less digits than its factorization.

152281905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14176.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 152281905 is about 12340.2554673718. The cubic root of 152281905 is about 534.0100539565.

The spelling of 152281905 in words is "one hundred fifty-two million, two hundred eighty-one thousand, nine hundred five".