149438626 has 4 divisors (see below), whose sum is σ = 224157942. Its totient is φ = 74719312.

The previous prime is 149438621. The next prime is 149438647. The reversal of 149438626 is 626834941.

It is a happy number.

149438626 is digitally balanced in base 3, 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., 110986225 + 38452401 = 10535^2 + 6201^2 .

It is not an unprimeable number, because it can be changed into a prime (149438621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37359655 + ... + 37359658.

Almost surely, 2^149438626 is an apocalyptic number.

149438626 is a deficient number, since it is larger than the sum of its proper divisors (74719316).

149438626 is an equidigital number, since it uses as much as digits as its factorization.

149438626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74719315.

The product of its digits is 248832, while the sum is 43.

The square root of 149438626 is about 12224.5092335030. The cubic root of 149438626 is about 530.6656238844.

The spelling of 149438626 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, six hundred twenty-six".