149186426 has 4 divisors (see below), whose sum is σ = 223779642. Its totient is φ = 74593212.

The previous prime is 149186381. The next prime is 149186437. The reversal of 149186426 is 624681941.

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., 147744025 + 1442401 = 12155^2 + 1201^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37296605 + ... + 37296608.

Almost surely, 2^149186426 is an apocalyptic number.

149186426 is a deficient number, since it is larger than the sum of its proper divisors (74593216).

149186426 is an equidigital number, since it uses as much as digits as its factorization.

149186426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74593215.

The product of its digits is 82944, while the sum is 41.

The square root of 149186426 is about 12214.1895351268. The cubic root of 149186426 is about 530.3669299594.

The spelling of 149186426 in words is "one hundred forty-nine million, one hundred eighty-six thousand, four hundred twenty-six".