145068553 has 16 divisors (see below), whose sum is σ = 177389440. Its totient is φ = 115862400.

The previous prime is 145068509. The next prime is 145068571. The reversal of 145068553 is 355860541.

It is a cyclic number.

It is not a de Polignac number, because 145068553 - 2²⁵ = 111514121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145068853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (11086840).

Almost surely, 2^145068553 is an apocalyptic number.

It is an amenable number.

145068553 is a deficient number, since it is larger than the sum of its proper divisors (32320887).

145068553 is a wasteful number, since it uses less digits than its factorization.

145068553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17968.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 145068553 is about 12044.4407508194. The cubic root of 145068553 is about 525.4415671268.

The spelling of 145068553 in words is "one hundred forty-five million, sixty-eight thousand, five hundred fifty-three".