145274559 has 16 divisors (see below), whose sum is σ = 197472000. Its totient is φ = 94976640.

The previous prime is 145274497. The next prime is 145274567. The reversal of 145274559 is 955472541.

It is not a de Polignac number, because 145274559 - 2⁸ = 145274303 is a prime.

It is a super-2 number, since 2×145274559² = 42209394985288962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145274559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145274159) 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, 46942 + ... + 49940.

It is an arithmetic number, because the mean of its divisors is an integer number (12342000).

Almost surely, 2^145274559 is an apocalyptic number.

145274559 is a deficient number, since it is larger than the sum of its proper divisors (52197441).

145274559 is a wasteful number, since it uses less digits than its factorization.

145274559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310.

The product of its digits is 252000, while the sum is 42.

The square root of 145274559 is about 12052.9896291335. The cubic root of 145274559 is about 525.6901689451.

The spelling of 145274559 in words is "one hundred forty-five million, two hundred seventy-four thousand, five hundred fifty-nine".