149748402 has 16 divisors (see below), whose sum is σ = 309824640. Its totient is φ = 48194832.

The previous prime is 149748349. The next prime is 149748409. The reversal of 149748402 is 204847941.

It is not an unprimeable number, because it can be changed into a prime (149748409) 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, 430138 + ... + 430485.

It is an arithmetic number, because the mean of its divisors is an integer number (19364040).

Almost surely, 2^149748402 is an apocalyptic number.

149748402 is an abundant number, since it is smaller than the sum of its proper divisors (160076238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149748402 is a wasteful number, since it uses less digits than its factorization.

149748402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860657.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 149748402 is about 12237.1729578363. The cubic root of 149748402 is about 531.0320485975.

The spelling of 149748402 in words is "one hundred forty-nine million, seven hundred forty-eight thousand, four hundred two".