152774642 has 8 divisors (see below), whose sum is σ = 229978332. Its totient is φ = 76115200.

The previous prime is 152774623. The next prime is 152774669. The reversal of 152774642 is 246477251.

152774642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124567921 + 28206721 = 11161^2 + 5311^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 152774596 and 152774605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135359 + ... + 136482.

Almost surely, 2^152774642 is an apocalyptic number.

152774642 is a deficient number, since it is larger than the sum of its proper divisors (77203690).

152774642 is a wasteful number, since it uses less digits than its factorization.

152774642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272124.

The product of its digits is 94080, while the sum is 38.

The square root of 152774642 is about 12360.2039627184. The cubic root of 152774642 is about 534.5853974780.

The spelling of 152774642 in words is "one hundred fifty-two million, seven hundred seventy-four thousand, six hundred forty-two".