145360533621 has 8 divisors (see below), whose sum is σ = 193906389600. Its totient is φ = 96860850032.

The previous prime is 145360533611. The next prime is 145360533631. The reversal of 145360533621 is 126335063541.

It is an interprime number because it is at equal distance from previous prime (145360533611) and next prime (145360533631).

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 145360533621 - 2¹¹ = 145360531573 is a prime.

It is a super-2 number, since 2×145360533621² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145360533621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145360533611) 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, 11535750 + ... + 11548343.

It is an arithmetic number, because the mean of its divisors is an integer number (24238298700).

Almost surely, 2^145360533621 is an apocalyptic number.

It is an amenable number.

145360533621 is a deficient number, since it is larger than the sum of its proper divisors (48545855979).

145360533621 is a wasteful number, since it uses less digits than its factorization.

145360533621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23086195.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 145360533621 in words is "one hundred forty-five billion, three hundred sixty million, five hundred thirty-three thousand, six hundred twenty-one".