149953426 has 16 divisors (see below), whose sum is σ = 262310400. Its totient is φ = 64265460.

The previous prime is 149953421. The next prime is 149953429. The reversal of 149953426 is 624359941.

It is not an unprimeable number, because it can be changed into a prime (149953421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108610 + ... + 109981.

It is an arithmetic number, because the mean of its divisors is an integer number (16394400).

Almost surely, 2^149953426 is an apocalyptic number.

149953426 is a deficient number, since it is larger than the sum of its proper divisors (112356974).

149953426 is an equidigital number, since it uses as much as digits as its factorization.

149953426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218614 (or 218600 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 149953426 is about 12245.5471907139. The cubic root of 149953426 is about 531.2742874986.

The spelling of 149953426 in words is "one hundred forty-nine million, nine hundred fifty-three thousand, four hundred twenty-six".