148561922 has 16 divisors (see below), whose sum is σ = 233521920. Its totient is φ = 70748832.

The previous prime is 148561913. The next prime is 148561927. The reversal of 148561922 is 229165841.

It is not an unprimeable number, because it can be changed into a prime (148561927) 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, 4238 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (14595120).

Almost surely, 2^148561922 is an apocalyptic number.

148561922 is a deficient number, since it is larger than the sum of its proper divisors (84959998).

148561922 is a wasteful number, since it uses less digits than its factorization.

148561922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777.

The product of its digits is 34560, while the sum is 38.

The square root of 148561922 is about 12188.5980325877. The cubic root of 148561922 is about 529.6258448617.

The spelling of 148561922 in words is "one hundred forty-eight million, five hundred sixty-one thousand, nine hundred twenty-two".