15145264077 has 4 divisors (see below), whose sum is σ = 20193685440. Its totient is φ = 10096842716.

The previous prime is 15145264073. The next prime is 15145264087. The reversal of 15145264077 is 77046254151.

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 a cyclic number.

It is not a de Polignac number, because 15145264077 - 2² = 15145264073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145264073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524210677 + ... + 2524210682.

It is an arithmetic number, because the mean of its divisors is an integer number (5048421360).

Almost surely, 2^15145264077 is an apocalyptic number.

It is an amenable number.

15145264077 is a deficient number, since it is larger than the sum of its proper divisors (5048421363).

15145264077 is an equidigital number, since it uses as much as digits as its factorization.

15145264077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048421362.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 15145264077 in words is "fifteen billion, one hundred forty-five million, two hundred sixty-four thousand, seventy-seven".