145624722 has 16 divisors (see below), whose sum is σ = 293106432. Its totient is φ = 48232080.

The previous prime is 145624693. The next prime is 145624741. The reversal of 145624722 is 227426541.

It is a super-3 number, since 3×145624722³ (a number of 25 digits) contains 333 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, 76354 + ... + 78237.

It is an arithmetic number, because the mean of its divisors is an integer number (18319152).

Almost surely, 2^145624722 is an apocalyptic number.

145624722 is an abundant number, since it is smaller than the sum of its proper divisors (147481710).

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

145624722 is a wasteful number, since it uses less digits than its factorization.

145624722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154753.

The product of its digits is 26880, while the sum is 33.

The square root of 145624722 is about 12067.5068676177. The cubic root of 145624722 is about 526.1121963773.

The spelling of 145624722 in words is "one hundred forty-five million, six hundred twenty-four thousand, seven hundred twenty-two".