145373425 has 6 divisors (see below), whose sum is σ = 180263078. Its totient is φ = 116298720.

The previous prime is 145373387. The next prime is 145373429. The reversal of 145373425 is 524373541.

It can be written as a sum of positive squares in 3 ways, for example, as 41679936 + 103693489 = 6456^2 + 10183^2 .

It is not a de Polignac number, because 145373425 - 2²³ = 136984817 is a prime.

It is a super-2 number, since 2×145373425² = 42266865392461250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145373429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2907444 + ... + 2907493.

Almost surely, 2^145373425 is an apocalyptic number.

It is an amenable number.

145373425 is a deficient number, since it is larger than the sum of its proper divisors (34889653).

145373425 is an equidigital number, since it uses as much as digits as its factorization.

145373425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814947 (or 5814942 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 145373425 is about 12057.0902376983. The cubic root of 145373425 is about 525.8093939929.

Subtracting from 145373425 its product of digits (50400), we obtain a square (145323025 = 12055²).

The spelling of 145373425 in words is "one hundred forty-five million, three hundred seventy-three thousand, four hundred twenty-five".