15741257145 has 16 divisors (see below), whose sum is σ = 25189937280. Its totient is φ = 8394028544.

The previous prime is 15741257143. The next prime is 15741257149. The reversal of 15741257145 is 54175214751.

It is a cyclic number.

It is not a de Polignac number, because 15741257145 - 2¹ = 15741257143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15741257097 and 15741257106.

It is not an unprimeable number, because it can be changed into a prime (15741257143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21892 + ... + 178778.

It is an arithmetic number, because the mean of its divisors is an integer number (1574371080).

Almost surely, 2^15741257145 is an apocalyptic number.

15741257145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15741257145 is a deficient number, since it is larger than the sum of its proper divisors (9448680135).

15741257145 is a wasteful number, since it uses less digits than its factorization.

15741257145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163584.

The product of its digits is 196000, while the sum is 42.

The spelling of 15741257145 in words is "fifteen billion, seven hundred forty-one million, two hundred fifty-seven thousand, one hundred forty-five".