145520251660363 has 8 divisors (see below), whose sum is σ = 145663911789120. Its totient is φ = 145376593206600.

The previous prime is 145520251660313. The next prime is 145520251660369. The reversal of 145520251660363 is 363066152025541.

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 145520251660363 - 2²¹ = 145520249563211 is a prime.

It is a super-2 number, since 2×145520251660363² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145520251660369) 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, 243269788 + ... + 243867238.

It is an arithmetic number, because the mean of its divisors is an integer number (18207988973640).

Almost surely, 2^{145520251660363} is an apocalyptic number.

145520251660363 is a deficient number, since it is larger than the sum of its proper divisors (143660128757).

145520251660363 is a wasteful number, since it uses less digits than its factorization.

145520251660363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837497.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 145520251660363 in words is "one hundred forty-five trillion, five hundred twenty billion, two hundred fifty-one million, six hundred sixty thousand, three hundred sixty-three".