149983604 has 6 divisors (see below), whose sum is σ = 262471314. Its totient is φ = 74991800.

The previous prime is 149983591. The next prime is 149983609. The reversal of 149983604 is 406389941.

It can be written as a sum of positive squares in only one way, i.e., 107081104 + 42902500 = 10348^2 + 6550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149983609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18747947 + ... + 18747954.

It is an arithmetic number, because the mean of its divisors is an integer number (43745219).

Almost surely, 2^149983604 is an apocalyptic number.

It is an amenable number.

149983604 is a deficient number, since it is larger than the sum of its proper divisors (112487710).

149983604 is a wasteful number, since it uses less digits than its factorization.

149983604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37495905 (or 37495903 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 149983604 is about 12246.7793317264. The cubic root of 149983604 is about 531.3099246082.

The spelling of 149983604 in words is "one hundred forty-nine million, nine hundred eighty-three thousand, six hundred four".