156554242 has 16 divisors (see below), whose sum is σ = 255403512. Its totient is φ = 71539200.

The previous prime is 156554231. The next prime is 156554263. The reversal of 156554242 is 242455651.

It can be written as a sum of positive squares in 4 ways, for example, as 155975121 + 579121 = 12489^2 + 761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156554198 and 156554207.

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, 27183 + ... + 32434.

Almost surely, 2^156554242 is an apocalyptic number.

156554242 is a deficient number, since it is larger than the sum of its proper divisors (98849270).

156554242 is a wasteful number, since it uses less digits than its factorization.

156554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59733.

The product of its digits is 48000, while the sum is 34.

The square root of 156554242 is about 12512.1637617160. The cubic root of 156554242 is about 538.9580295994.

The spelling of 156554242 in words is "one hundred fifty-six million, five hundred fifty-four thousand, two hundred forty-two".