150666242 has 4 divisors (see below), whose sum is σ = 225999366. Its totient is φ = 75333120.

The previous prime is 150666239. The next prime is 150666251. The reversal of 150666242 is 242666051.

150666242 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., 150283081 + 383161 = 12259^2 + 619^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150666199 and 150666208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37666559 + ... + 37666562.

Almost surely, 2^150666242 is an apocalyptic number.

150666242 is a deficient number, since it is larger than the sum of its proper divisors (75333124).

150666242 is an equidigital number, since it uses as much as digits as its factorization.

150666242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75333123.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 150666242 is about 12274.6177944570. The cubic root of 150666242 is about 532.1147758654.

The spelling of 150666242 in words is "one hundred fifty million, six hundred sixty-six thousand, two hundred forty-two".