151056905 has 8 divisors (see below), whose sum is σ = 181701384. Its totient is φ = 120556800.

The previous prime is 151056863. The next prime is 151056937. The reversal of 151056905 is 509650151.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 149426176 = 1277^2 + 12224^2 .

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

It is not a de Polignac number, because 151056905 - 2⁸ = 151056649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33776 + ... + 37985.

It is an arithmetic number, because the mean of its divisors is an integer number (22712673).

Almost surely, 2^151056905 is an apocalyptic number.

It is an amenable number.

151056905 is a deficient number, since it is larger than the sum of its proper divisors (30644479).

151056905 is an equidigital number, since it uses as much as digits as its factorization.

151056905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72187.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 151056905 is about 12290.5209409528. The cubic root of 151056905 is about 532.5742863293.

The spelling of 151056905 in words is "one hundred fifty-one million, fifty-six thousand, nine hundred five".