146581413 has 16 divisors (see below), whose sum is σ = 213497856. Its totient is φ = 88717040.

The previous prime is 146581387. The next prime is 146581427. The reversal of 146581413 is 314185641.

It is a cyclic number.

It is not a de Polignac number, because 146581413 - 2⁶ = 146581349 is a prime.

It is a super-2 number, since 2×146581413² = 42972221274153138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146581433) 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, 25906 + ... + 31052.

It is an arithmetic number, because the mean of its divisors is an integer number (13343616).

Almost surely, 2^146581413 is an apocalyptic number.

It is an amenable number.

146581413 is a deficient number, since it is larger than the sum of its proper divisors (66916443).

146581413 is a wasteful number, since it uses less digits than its factorization.

146581413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024.

The product of its digits is 11520, while the sum is 33.

The square root of 146581413 is about 12107.0811098299. The cubic root of 146581413 is about 527.2617919245.

The spelling of 146581413 in words is "one hundred forty-six million, five hundred eighty-one thousand, four hundred thirteen".