145263620624 has 10 divisors (see below), whose sum is σ = 281448264990. Its totient is φ = 72631810304.

The previous prime is 145263620599. The next prime is 145263620669. The reversal of 145263620624 is 426026362541.

It can be written as a sum of positive squares in only one way, i.e., 105734228224 + 39529392400 = 325168^2 + 198820^2 .

It is a super-2 number, since 2×145263620624² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4539488129 + ... + 4539488160.

It is an arithmetic number, because the mean of its divisors is an integer number (28144826499).

Almost surely, 2^145263620624 is an apocalyptic number.

It is an amenable number.

145263620624 is a deficient number, since it is larger than the sum of its proper divisors (136184644366).

145263620624 is an equidigital number, since it uses as much as digits as its factorization.

145263620624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078976297 (or 9078976291 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 145263620624 in words is "one hundred forty-five billion, two hundred sixty-three million, six hundred twenty thousand, six hundred twenty-four".