146531416 has 8 divisors (see below), whose sum is σ = 274746420. Its totient is φ = 73265704.

The previous prime is 146531393. The next prime is 146531419. The reversal of 146531416 is 614135641.

146531416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146531419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9158206 + ... + 9158221.

Almost surely, 2^146531416 is an apocalyptic number.

It is an amenable number.

146531416 is a deficient number, since it is larger than the sum of its proper divisors (128215004).

146531416 is a wasteful number, since it uses less digits than its factorization.

146531416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316433 (or 18316429 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 146531416 is about 12105.0161503403. The cubic root of 146531416 is about 527.2018377438.

The spelling of 146531416 in words is "one hundred forty-six million, five hundred thirty-one thousand, four hundred sixteen".