152943634 has 4 divisors (see below), whose sum is σ = 229415454. Its totient is φ = 76471816.

The previous prime is 152943619. The next prime is 152943641. The reversal of 152943634 is 436349251.

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., 137710225 + 15233409 = 11735^2 + 3903^2 .

It is a super-2 number, since 2×152943634² = 46783510362251912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152943593 and 152943602.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38235907 + ... + 38235910.

Almost surely, 2^152943634 is an apocalyptic number.

152943634 is a deficient number, since it is larger than the sum of its proper divisors (76471820).

152943634 is an equidigital number, since it uses as much as digits as its factorization.

152943634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76471819.

The product of its digits is 77760, while the sum is 37.

The square root of 152943634 is about 12367.0382064583. The cubic root of 152943634 is about 534.7824357748.

The spelling of 152943634 in words is "one hundred fifty-two million, nine hundred forty-three thousand, six hundred thirty-four".