145863135477 has 8 divisors (see below), whose sum is σ = 216093534080. Its totient is φ = 97242090300.

The previous prime is 145863135469. The next prime is 145863135479. The reversal of 145863135477 is 774531368541.

145863135477 is a `hidden beast` number, since 1 + 4 + 5 + 86 + 3 + 13 + 547 + 7 = 666.

It is not a de Polignac number, because 145863135477 - 2³ = 145863135469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145863135479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2701169149 + ... + 2701169202.

It is an arithmetic number, because the mean of its divisors is an integer number (27011691760).

Almost surely, 2^145863135477 is an apocalyptic number.

It is an amenable number.

145863135477 is a deficient number, since it is larger than the sum of its proper divisors (70230398603).

145863135477 is an equidigital number, since it uses as much as digits as its factorization.

145863135477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402338360 (or 5402338354 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 145863135477 in words is "one hundred forty-five billion, eight hundred sixty-three million, one hundred thirty-five thousand, four hundred seventy-seven".