146450631 has 16 divisors (see below), whose sum is σ = 206997984. Its totient is φ = 91782144.

The previous prime is 146450627. The next prime is 146450641. The reversal of 146450631 is 136054641.

146450631 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 146450631 - 2² = 146450627 is a prime.

It is a super-2 number, since 2×146450631² = 42895574640596322, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146450621) 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, 83641 + ... + 85373.

It is an arithmetic number, because the mean of its divisors is an integer number (12937374).

Almost surely, 2^146450631 is an apocalyptic number.

146450631 is a deficient number, since it is larger than the sum of its proper divisors (60547353).

146450631 is a wasteful number, since it uses less digits than its factorization.

146450631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 146450631 is about 12101.6788504736. The cubic root of 146450631 is about 527.1049351344.

The spelling of 146450631 in words is "one hundred forty-six million, four hundred fifty thousand, six hundred thirty-one".