156154545 has 12 divisors (see below), whose sum is σ = 270667956. Its totient is φ = 83282400.

The previous prime is 156154529. The next prime is 156154553. The reversal of 156154545 is 545451651.

156154545 is a `hidden beast` number, since 1 + 5 + 61 + 54 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 134026929 = 4704^2 + 11577^2 .

It is not a de Polignac number, because 156154545 - 2⁴ = 156154529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735006 + ... + 1735095.

It is an arithmetic number, because the mean of its divisors is an integer number (22555663).

Almost surely, 2^156154545 is an apocalyptic number.

156154545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156154545 is a deficient number, since it is larger than the sum of its proper divisors (114513411).

156154545 is a wasteful number, since it uses less digits than its factorization.

156154545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470112 (or 3470109 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 156154545 is about 12496.1812166758. The cubic root of 156154545 is about 538.4989693315.

The spelling of 156154545 in words is "one hundred fifty-six million, one hundred fifty-four thousand, five hundred forty-five".