145156448 has 12 divisors (see below), whose sum is σ = 285776820. Its totient is φ = 72578208.

The previous prime is 145156399. The next prime is 145156457. The reversal of 145156448 is 844651541.

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, 2268038 + ... + 2268101.

It is an arithmetic number, because the mean of its divisors is an integer number (23814735).

Almost surely, 2^145156448 is an apocalyptic number.

It is an amenable number.

145156448 is a deficient number, since it is larger than the sum of its proper divisors (140620372).

145156448 is an equidigital number, since it uses as much as digits as its factorization.

145156448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536149 (or 4536141 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 145156448 is about 12048.0889770951. The cubic root of 145156448 is about 525.5476649254.

The spelling of 145156448 in words is "one hundred forty-five million, one hundred fifty-six thousand, four hundred forty-eight".