150664634 has 4 divisors (see below), whose sum is σ = 225996954. Its totient is φ = 75332316.

The previous prime is 150664621. The next prime is 150664639. The reversal of 150664634 is 436466051.

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., 146482609 + 4182025 = 12103^2 + 2045^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150664594 and 150664603.

It is not an unprimeable number, because it can be changed into a prime (150664639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37666157 + ... + 37666160.

Almost surely, 2^150664634 is an apocalyptic number.

150664634 is a deficient number, since it is larger than the sum of its proper divisors (75332320).

150664634 is an equidigital number, since it uses as much as digits as its factorization.

150664634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75332319.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 150664634 is about 12274.5522932610. The cubic root of 150664634 is about 532.1128828432.

The spelling of 150664634 in words is "one hundred fifty million, six hundred sixty-four thousand, six hundred thirty-four".