145774472886 has 24 divisors (see below), whose sum is σ = 360965361744. Its totient is φ = 41649849360.

The previous prime is 145774472807. The next prime is 145774472891. The reversal of 145774472886 is 688274477541.

145774472886 is a `hidden beast` number, since 1 + 45 + 77 + 447 + 2 + 8 + 86 = 666.

It is a super-2 number, since 2×145774472886² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578470005 + ... + 578470256.

It is an arithmetic number, because the mean of its divisors is an integer number (15040223406).

Almost surely, 2^145774472886 is an apocalyptic number.

145774472886 is an abundant number, since it is smaller than the sum of its proper divisors (215190888858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145774472886 is a wasteful number, since it uses less digits than its factorization.

145774472886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156940276 (or 1156940273 counting only the distinct ones).

The product of its digits is 84295680, while the sum is 63.

The spelling of 145774472886 in words is "one hundred forty-five billion, seven hundred seventy-four million, four hundred seventy-two thousand, eight hundred eighty-six".