145425508 has 12 divisors (see below), whose sum is σ = 255226300. Its totient is φ = 72503712.

The previous prime is 145425479. The next prime is 145425523. The reversal of 145425508 is 805524541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73650724 + 71774784 = 8582^2 + 8472^2 .

It is a super-2 number, since 2×145425508² = 42297156754116128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50691 + ... + 53482.

Almost surely, 2^145425508 is an apocalyptic number.

It is an amenable number.

145425508 is a deficient number, since it is larger than the sum of its proper divisors (109800792).

145425508 is a wasteful number, since it uses less digits than its factorization.

145425508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104526 (or 104524 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The square root of 145425508 is about 12059.2498937538. The cubic root of 145425508 is about 525.8721804819.

It can be divided in two parts, 1454 and 25508, that added together give a palindrome (26962).

The spelling of 145425508 in words is "one hundred forty-five million, four hundred twenty-five thousand, five hundred eight".