149970322 has 4 divisors (see below), whose sum is σ = 224955486. Its totient is φ = 74985160.

The previous prime is 149970307. The next prime is 149970341. The reversal of 149970322 is 223079941.

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., 135001161 + 14969161 = 11619^2 + 3869^2 .

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, 37492579 + ... + 37492582.

Almost surely, 2^149970322 is an apocalyptic number.

149970322 is a deficient number, since it is larger than the sum of its proper divisors (74985164).

149970322 is an equidigital number, since it uses as much as digits as its factorization.

149970322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74985163.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 149970322 is about 12246.2370547038. The cubic root of 149970322 is about 531.2942405233.

The spelling of 149970322 in words is "one hundred forty-nine million, nine hundred seventy thousand, three hundred twenty-two".