145412523 has 16 divisors (see below), whose sum is σ = 216237600. Its totient is φ = 96576480.

The previous prime is 145412503. The next prime is 145412539. The reversal of 145412523 is 325214541.

145412523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145412523 - 2⁶ = 145412459 is a prime.

It is a super-2 number, since 2×145412523² = 42289603690451058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145412503) 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, 2748 + ... + 17273.

It is an arithmetic number, because the mean of its divisors is an integer number (13514850).

Almost surely, 2^145412523 is an apocalyptic number.

145412523 is a deficient number, since it is larger than the sum of its proper divisors (70825077).

145412523 is a wasteful number, since it uses less digits than its factorization.

145412523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20299 (or 20293 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 145412523 is about 12058.7114983318. The cubic root of 145412523 is about 525.8565283596.

The spelling of 145412523 in words is "one hundred forty-five million, four hundred twelve thousand, five hundred twenty-three".