150664546 has 4 divisors (see below), whose sum is σ = 225996822. Its totient is φ = 75332272.

The previous prime is 150664543. The next prime is 150664573. The reversal of 150664546 is 645466051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645466051 = 107 ⋅6032393.

It can be written as a sum of positive squares in only one way, i.e., 92371321 + 58293225 = 9611^2 + 7635^2 .

It is a super-2 number, since 2×150664546² = 45399610842772232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150664543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37666135 + ... + 37666138.

Almost surely, 2^150664546 is an apocalyptic number.

150664546 is a deficient number, since it is larger than the sum of its proper divisors (75332276).

150664546 is an equidigital number, since it uses as much as digits as its factorization.

150664546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75332275.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 150664546 is about 12274.5487086084. The cubic root of 150664546 is about 532.1127792446.

The spelling of 150664546 in words is "one hundred fifty million, six hundred sixty-four thousand, five hundred forty-six".