149860992 has 32 divisors (see below), whose sum is σ = 398069280. Its totient is φ = 49953536.

The previous prime is 149860927. The next prime is 149860993. The reversal of 149860992 is 299068941.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (149860993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194748 + ... + 195515.

It is an arithmetic number, because the mean of its divisors is an integer number (12439665).

Almost surely, 2^149860992 is an apocalyptic number.

149860992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149860992 is an abundant number, since it is smaller than the sum of its proper divisors (248208288).

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

149860992 is an equidigital number, since it uses as much as digits as its factorization.

149860992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390280 (or 390268 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 149860992 is about 12241.7724206914. The cubic root of 149860992 is about 531.1651027058.

The spelling of 149860992 in words is "one hundred forty-nine million, eight hundred sixty thousand, nine hundred ninety-two".