154473307023513 has 4 divisors (see below), whose sum is σ = 205964409364688. Its totient is φ = 102982204682340.

The previous prime is 154473307023443. The next prime is 154473307023533. The reversal of 154473307023513 is 315320703374451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 154473307023513 - 2²⁰ = 154473305974937 is a prime.

It is a super-2 number, since 2×154473307023513² (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 (154473307023533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25745551170583 + ... + 25745551170588.

It is an arithmetic number, because the mean of its divisors is an integer number (51491102341172).

Almost surely, 2^{154473307023513} is an apocalyptic number.

It is an amenable number.

154473307023513 is a deficient number, since it is larger than the sum of its proper divisors (51491102341175).

154473307023513 is an equidigital number, since it uses as much as digits as its factorization.

154473307023513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51491102341174.

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 154473307023513 in words is "one hundred fifty-four trillion, four hundred seventy-three billion, three hundred seven million, twenty-three thousand, five hundred thirteen".