145276771824 has 60 divisors (see below), whose sum is σ = 420592965000. Its totient is φ = 46755741312.

The previous prime is 145276771807. The next prime is 145276771847. The reversal of 145276771824 is 428177672541.

145276771824 is a `hidden beast` number, since 1 + 452 + 7 + 6 + 7 + 7 + 182 + 4 = 666.

It is a super-2 number, since 2×145276771824² (a number of 23 digits) contains 22 as substring.

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, 17390074 + ... + 17398425.

It is an arithmetic number, because the mean of its divisors is an integer number (7009882750).

Almost surely, 2^145276771824 is an apocalyptic number.

It is an amenable number.

145276771824 is an abundant number, since it is smaller than the sum of its proper divisors (275316193176).

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

145276771824 is a wasteful number, since it uses less digits than its factorization.

145276771824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788542 (or 34788533 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The spelling of 145276771824 in words is "one hundred forty-five billion, two hundred seventy-six million, seven hundred seventy-one thousand, eight hundred twenty-four".