145562253661 has 8 divisors (see below), whose sum is σ = 158835262464. Its totient is φ = 132295924320.

The previous prime is 145562253659. The next prime is 145562253671. The reversal of 145562253661 is 166352265541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145562253661 - 2¹ = 145562253659 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 (145562253611) 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, 1624240 + ... + 1711513.

It is an arithmetic number, because the mean of its divisors is an integer number (19854407808).

Almost surely, 2^145562253661 is an apocalyptic number.

145562253661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145562253661 is a deficient number, since it is larger than the sum of its proper divisors (13273008803).

145562253661 is a wasteful number, since it uses less digits than its factorization.

145562253661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339731.

The product of its digits is 1296000, while the sum is 46.

The spelling of 145562253661 in words is "one hundred forty-five billion, five hundred sixty-two million, two hundred fifty-three thousand, six hundred sixty-one".