149783522 has 16 divisors (see below), whose sum is σ = 259174080. Its totient is φ = 63592368.

The previous prime is 149783503. The next prime is 149783551. The reversal of 149783522 is 225387941.

149783522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149783522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48497 + ... + 51492.

It is an arithmetic number, because the mean of its divisors is an integer number (16198380).

Almost surely, 2^149783522 is an apocalyptic number.

149783522 is a deficient number, since it is larger than the sum of its proper divisors (109390558).

149783522 is a wasteful number, since it uses less digits than its factorization.

149783522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100105.

The product of its digits is 120960, while the sum is 41.

The square root of 149783522 is about 12238.6078456661. The cubic root of 149783522 is about 531.0735590856.

The spelling of 149783522 in words is "one hundred forty-nine million, seven hundred eighty-three thousand, five hundred twenty-two".