145374725 has 12 divisors (see below), whose sum is σ = 184662660. Its totient is φ = 113462400.

The previous prime is 145374683. The next prime is 145374727. The reversal of 145374725 is 527473541.

It can be written as a sum of positive squares in 6 ways, for example, as 56280004 + 89094721 = 7502^2 + 9439^2 .

It is not a de Polignac number, because 145374725 - 2¹⁶ = 145309189 is a prime.

It is a super-2 number, since 2×145374725² = 42267621337651250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145374727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69890 + ... + 71939.

It is an arithmetic number, because the mean of its divisors is an integer number (15388555).

Almost surely, 2^145374725 is an apocalyptic number.

It is an amenable number.

145374725 is a deficient number, since it is larger than the sum of its proper divisors (39287935).

145374725 is a wasteful number, since it uses less digits than its factorization.

145374725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141880 (or 141875 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 145374725 is about 12057.1441477657. The cubic root of 145374725 is about 525.8109613362.

The spelling of 145374725 in words is "one hundred forty-five million, three hundred seventy-four thousand, seven hundred twenty-five".