145253424 has 20 divisors (see below), whose sum is σ = 375238136. Its totient is φ = 48417792.

The previous prime is 145253413. The next prime is 145253497. The reversal of 145253424 is 424352541.

It is a junction number, because it is equal to n+sod(n) for n = 145253391 and 145253400.

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, 1513009 + ... + 1513104.

Almost surely, 2^145253424 is an apocalyptic number.

It is an amenable number.

145253424 is an abundant number, since it is smaller than the sum of its proper divisors (229984712).

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

145253424 is a wasteful number, since it uses less digits than its factorization.

145253424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026124 (or 3026118 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 145253424 is about 12052.1128438129. The cubic root of 145253424 is about 525.6646746887.

The spelling of 145253424 in words is "one hundred forty-five million, two hundred fifty-three thousand, four hundred twenty-four".