152517842 has 4 divisors (see below), whose sum is σ = 228776766. Its totient is φ = 76258920.

The previous prime is 152517817. The next prime is 152517847. The reversal of 152517842 is 248715251.

152517842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136445761 + 16072081 = 11681^2 + 4009^2 .

It is not an unprimeable number, because it can be changed into a prime (152517847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38129459 + ... + 38129462.

Almost surely, 2^152517842 is an apocalyptic number.

152517842 is a deficient number, since it is larger than the sum of its proper divisors (76258924).

152517842 is an equidigital number, since it uses as much as digits as its factorization.

152517842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76258923.

The product of its digits is 22400, while the sum is 35.

The square root of 152517842 is about 12349.8114155642. The cubic root of 152517842 is about 534.2857000078.

The spelling of 152517842 in words is "one hundred fifty-two million, five hundred seventeen thousand, eight hundred forty-two".