149612490 has 24 divisors (see below), whose sum is σ = 388992708. Its totient is φ = 39896640.

The previous prime is 149612483. The next prime is 149612501. The reversal of 149612490 is 94216941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149597361 + 15129 = 12231^2 + 123^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831091 + ... + 831270.

Almost surely, 2^149612490 is an apocalyptic number.

149612490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149612490 is an abundant number, since it is smaller than the sum of its proper divisors (239380218).

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

149612490 is a wasteful number, since it uses less digits than its factorization.

149612490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662374 (or 1662371 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149612490 is about 12231.6184538270. The cubic root of 149612490 is about 530.8713446593.

The spelling of 149612490 in words is "one hundred forty-nine million, six hundred twelve thousand, four hundred ninety".