145269922 has 16 divisors (see below), whose sum is σ = 249302592. Its totient is φ = 62191440.

The previous prime is 145269919. The next prime is 145269959. The reversal of 145269922 is 229962541.

It is a super-2 number, since 2×145269922² = 42206700475772168, which contains 22 as substring.

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, 9213 + ... + 19375.

It is an arithmetic number, because the mean of its divisors is an integer number (15581412).

Almost surely, 2^145269922 is an apocalyptic number.

145269922 is a deficient number, since it is larger than the sum of its proper divisors (104032670).

145269922 is a wasteful number, since it uses less digits than its factorization.

145269922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193.

The product of its digits is 77760, while the sum is 40.

The square root of 145269922 is about 12052.7972686841. The cubic root of 145269922 is about 525.6845757399.

The spelling of 145269922 in words is "one hundred forty-five million, two hundred sixty-nine thousand, nine hundred twenty-two".