149615426 has 4 divisors (see below), whose sum is σ = 224423142. Its totient is φ = 74807712.

The previous prime is 149615413. The next prime is 149615461. The reversal of 149615426 is 624516941.

149615426 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., 86397025 + 63218401 = 9295^2 + 7951^2 .

It is a super-2 number, since 2×149615426² = 44769551394322952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149615426.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37403855 + ... + 37403858.

Almost surely, 2^149615426 is an apocalyptic number.

149615426 is a deficient number, since it is larger than the sum of its proper divisors (74807716).

149615426 is an equidigital number, since it uses as much as digits as its factorization.

149615426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74807715.

The product of its digits is 51840, while the sum is 38.

The square root of 149615426 is about 12231.7384700622. The cubic root of 149615426 is about 530.8748172484.

The spelling of 149615426 in words is "one hundred forty-nine million, six hundred fifteen thousand, four hundred twenty-six".