145734722 has 24 divisors (see below), whose sum is σ = 255080700. Its totient is φ = 62264160.

The previous prime is 145734713. The next prime is 145734793. The reversal of 145734722 is 227437541.

145734722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121242121 + 24492601 = 11011^2 + 4949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32072 + ... + 36332.

Almost surely, 2^145734722 is an apocalyptic number.

145734722 is a deficient number, since it is larger than the sum of its proper divisors (109345978).

145734722 is a wasteful number, since it uses less digits than its factorization.

145734722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4619 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 145734722 is about 12072.0637009585. The cubic root of 145734722 is about 526.2446321692.

The spelling of 145734722 in words is "one hundred forty-five million, seven hundred thirty-four thousand, seven hundred twenty-two".