145356562621 has 8 divisors (see below), whose sum is σ = 147631385664. Its totient is φ = 143094204960.

The previous prime is 145356562613. The next prime is 145356562633. The reversal of 145356562621 is 126265653541.

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 145356562621 - 2³ = 145356562613 is a prime.

It is a super-2 number, since 2×145356562621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145356562691) 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, 3092841 + ... + 3139486.

It is an arithmetic number, because the mean of its divisors is an integer number (18453923208).

Almost surely, 2^145356562621 is an apocalyptic number.

It is an amenable number.

145356562621 is a deficient number, since it is larger than the sum of its proper divisors (2274823043).

145356562621 is an equidigital number, since it uses as much as digits as its factorization.

145356562621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232691.

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

The spelling of 145356562621 in words is "one hundred forty-five billion, three hundred fifty-six million, five hundred sixty-two thousand, six hundred twenty-one".