146040531 has 24 divisors (see below), whose sum is σ = 243939024. Its totient is φ = 77031360.

The previous prime is 146040469. The next prime is 146040553. The reversal of 146040531 is 135040641.

146040531 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 146040531 - 2⁹ = 146040019 is a prime.

It is a super-2 number, since 2×146040531² = 42655673389523922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146041531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36300 + ... + 40121.

It is an arithmetic number, because the mean of its divisors is an integer number (10164126).

Almost surely, 2^146040531 is an apocalyptic number.

146040531 is a deficient number, since it is larger than the sum of its proper divisors (97898493).

146040531 is a wasteful number, since it uses less digits than its factorization.

146040531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76451 (or 76444 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 146040531 is about 12084.7230419236. The cubic root of 146040531 is about 526.6124646903.

The spelling of 146040531 in words is "one hundred forty-six million, forty thousand, five hundred thirty-one".