146431077 has 16 divisors (see below), whose sum is σ = 212627520. Its totient is φ = 89096832.

The previous prime is 146431069. The next prime is 146431093. The reversal of 146431077 is 770134641.

146431077 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 146431077 - 2³ = 146431069 is a prime.

It is a super-2 number, since 2×146431077² = 42884120622759858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146431037) 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, 17623 + ... + 24564.

It is an arithmetic number, because the mean of its divisors is an integer number (13289220).

Almost surely, 2^146431077 is an apocalyptic number.

It is an amenable number.

146431077 is a deficient number, since it is larger than the sum of its proper divisors (66196443).

146431077 is a wasteful number, since it uses less digits than its factorization.

146431077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42292.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 146431077 is about 12100.8709190702. The cubic root of 146431077 is about 527.0814745125.

The spelling of 146431077 in words is "one hundred forty-six million, four hundred thirty-one thousand, seventy-seven".