146022631 has 2 divisors, whose sum is σ = 146022632. Its totient is φ = 146022630.

The previous prime is 146022601. The next prime is 146022641. The reversal of 146022631 is 136220641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146022631 - 2²⁵ = 112468199 is a prime.

It is a super-2 number, since 2×146022631² = 42645217528324322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146022596 and 146022605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146022601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73011315 + 73011316.

It is an arithmetic number, because the mean of its divisors is an integer number (73011316).

Almost surely, 2^146022631 is an apocalyptic number.

146022631 is a deficient number, since it is larger than the sum of its proper divisors (1).

146022631 is an equidigital number, since it uses as much as digits as its factorization.

146022631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 146022631 is about 12083.9824147505. The cubic root of 146022631 is about 526.5909484071.

The spelling of 146022631 in words is "one hundred forty-six million, twenty-two thousand, six hundred thirty-one".