152861905 has 8 divisors (see below), whose sum is σ = 209639232. Its totient is φ = 104819568.

The previous prime is 152861903. The next prime is 152861923. The reversal of 152861905 is 509168251.

152861905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152861905 - 2¹ = 152861903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152861903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183707 + ... + 2183776.

It is an arithmetic number, because the mean of its divisors is an integer number (26204904).

Almost surely, 2^152861905 is an apocalyptic number.

It is an amenable number.

152861905 is a deficient number, since it is larger than the sum of its proper divisors (56777327).

152861905 is an equidigital number, since it uses as much as digits as its factorization.

152861905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367495.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 152861905 is about 12363.7334571722. The cubic root of 152861905 is about 534.6871609772.

The spelling of 152861905 in words is "one hundred fifty-two million, eight hundred sixty-one thousand, nine hundred five".