145503461433623 has 8 divisors (see below), whose sum is σ = 145636589210688. Its totient is φ = 145370335853824.

The previous prime is 145503461433571. The next prime is 145503461433721. The reversal of 145503461433623 is 326334164305541.

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 145503461433623 - 2¹⁰ = 145503461432599 is a prime.

It is a super-2 number, since 2×145503461433623² (a number of 29 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 (145503461433823) 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, 151064411 + ... + 152024547.

It is an arithmetic number, because the mean of its divisors is an integer number (18204573651336).

Almost surely, 2^{145503461433623} is an apocalyptic number.

145503461433623 is a deficient number, since it is larger than the sum of its proper divisors (133127777065).

145503461433623 is a wasteful number, since it uses less digits than its factorization.

145503461433623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098633.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 145503461433623 in words is "one hundred forty-five trillion, five hundred three billion, four hundred sixty-one million, four hundred thirty-three thousand, six hundred twenty-three".