149833980 has 36 divisors (see below), whose sum is σ = 454496952. Its totient is φ = 39955680.

The previous prime is 149833969. The next prime is 149833987. The reversal of 149833980 is 89338941.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149833987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416026 + ... + 416385.

Almost surely, 2^149833980 is an apocalyptic number.

149833980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149833980 is an abundant number, since it is smaller than the sum of its proper divisors (304662972).

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

149833980 is a wasteful number, since it uses less digits than its factorization.

149833980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832426 (or 832421 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 149833980 is about 12240.6690993589. The cubic root of 149833980 is about 531.1331871426.

The spelling of 149833980 in words is "one hundred forty-nine million, eight hundred thirty-three thousand, nine hundred eighty".