145288534 has 8 divisors (see below), whose sum is σ = 217989000. Its totient is φ = 72625536.

The previous prime is 145288531. The next prime is 145288547. The reversal of 145288534 is 435882541.

145288534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145288534² = 42217516223738312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145288531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4342 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (27248625).

Almost surely, 2^145288534 is an apocalyptic number.

145288534 is a deficient number, since it is larger than the sum of its proper divisors (72700466).

145288534 is a wasteful number, since it uses less digits than its factorization.

145288534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18734.

The product of its digits is 153600, while the sum is 40.

The square root of 145288534 is about 12053.5693468781. The cubic root of 145288534 is about 525.7070250384.

The spelling of 145288534 in words is "one hundred forty-five million, two hundred eighty-eight thousand, five hundred thirty-four".