149999022 has 12 divisors (see below), whose sum is σ = 324997920. Its totient is φ = 49999668.

The previous prime is 149999009. The next prime is 149999023. The reversal of 149999022 is 220999941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149999023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4166622 + ... + 4166657.

It is an arithmetic number, because the mean of its divisors is an integer number (27083160).

Almost surely, 2^149999022 is an apocalyptic number.

149999022 is an abundant number, since it is smaller than the sum of its proper divisors (174998898).

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

149999022 is a wasteful number, since it uses less digits than its factorization.

149999022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333287 (or 8333284 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 149999022 is about 12247.4087871680. The cubic root of 149999022 is about 531.3281298332.

The spelling of 149999022 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, twenty-two".