152278842 has 32 divisors (see below), whose sum is σ = 308385792. Its totient is φ = 50125824.

The previous prime is 152278831. The next prime is 152278849. The reversal of 152278842 is 248872251.

152278842 = 274² + 275² + ... + 781².

152278842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 152278842.

It is not an unprimeable number, because it can be changed into a prime (152278849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256498 + ... + 257090.

It is an arithmetic number, because the mean of its divisors is an integer number (9637056).

Almost surely, 2^152278842 is an apocalyptic number.

152278842 is an abundant number, since it is smaller than the sum of its proper divisors (156106950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152278842 is a wasteful number, since it uses less digits than its factorization.

152278842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its digits is 71680, while the sum is 39.

The square root of 152278842 is about 12340.1313607271. The cubic root of 152278842 is about 534.0064735710.

The spelling of 152278842 in words is "one hundred fifty-two million, two hundred seventy-eight thousand, eight hundred forty-two".