149815022 has 16 divisors (see below), whose sum is σ = 257040000. Its totient is φ = 64152888.

The previous prime is 149815021. The next prime is 149815027. The reversal of 149815022 is 220518941.

It is a self number, because there is not a number n which added to its sum of digits gives 149815022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149815021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16229 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (16065000).

Almost surely, 2^149815022 is an apocalyptic number.

149815022 is a deficient number, since it is larger than the sum of its proper divisors (107224978).

149815022 is a wasteful number, since it uses less digits than its factorization.

149815022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 149815022 is about 12239.8946890894. The cubic root of 149815022 is about 531.1107853534.

The spelling of 149815022 in words is "one hundred forty-nine million, eight hundred fifteen thousand, twenty-two".