15145140412537 has 2 divisors, whose sum is σ = 15145140412538. Its totient is φ = 15145140412536.

The previous prime is 15145140412511. The next prime is 15145140412547. The reversal of 15145140412537 is 73521404154151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10750503209616 + 4394637202921 = 3278796^2 + 2096339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15145140412537 is a prime.

It is a super-2 number, since 2×15145140412537² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15145140412493 and 15145140412502.

It is not a weakly prime, because it can be changed into another prime (15145140412547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572570206268 + 7572570206269.

It is an arithmetic number, because the mean of its divisors is an integer number (7572570206269).

Almost surely, 2^{15145140412537} is an apocalyptic number.

It is an amenable number.

15145140412537 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145140412537 is an equidigital number, since it uses as much as digits as its factorization.

15145140412537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 43.

Adding to 15145140412537 its reverse (73521404154151), we get a palindrome (88666544566688).

The spelling of 15145140412537 in words is "fifteen trillion, one hundred forty-five billion, one hundred forty million, four hundred twelve thousand, five hundred thirty-seven".