145253144 has 8 divisors (see below), whose sum is σ = 272349660. Its totient is φ = 72626568.

The previous prime is 145253131. The next prime is 145253153. The reversal of 145253144 is 441352541.

145253144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9078314 + ... + 9078329.

Almost surely, 2^145253144 is an apocalyptic number.

It is an amenable number.

145253144 is a deficient number, since it is larger than the sum of its proper divisors (127096516).

145253144 is a wasteful number, since it uses less digits than its factorization.

145253144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156649 (or 18156645 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 145253144 is about 12052.1012275868. The cubic root of 145253144 is about 525.6643369200.

The spelling of 145253144 in words is "one hundred forty-five million, two hundred fifty-three thousand, one hundred forty-four".