152439646 has 8 divisors (see below), whose sum is σ = 242110080. Its totient is φ = 71736288.

The previous prime is 152439643. The next prime is 152439649. The reversal of 152439646 is 646934251.

It is an interprime number because it is at equal distance from previous prime (152439643) and next prime (152439649).

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 = 152439599 and 152439608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152439643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241726 + ... + 2241793.

It is an arithmetic number, because the mean of its divisors is an integer number (30263760).

Almost surely, 2^152439646 is an apocalyptic number.

152439646 is a deficient number, since it is larger than the sum of its proper divisors (89670434).

152439646 is a wasteful number, since it uses less digits than its factorization.

152439646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483538.

The product of its digits is 155520, while the sum is 40.

The square root of 152439646 is about 12346.6451313707. The cubic root of 152439646 is about 534.1943748528.

The spelling of 152439646 in words is "one hundred fifty-two million, four hundred thirty-nine thousand, six hundred forty-six".