156451450353545 has 32 divisors (see below), whose sum is σ = 199567524068640. Its totient is φ = 117336097751040.

The previous prime is 156451450353487. The next prime is 156451450353581. The reversal of 156451450353545 is 545353054154651.

It can be written as a sum of positive squares in 16 ways, for example, as 105510630976 + 156345939722569 = 324824^2 + 12503837^2 .

It is not a de Polignac number, because 156451450353545 - 2¹² = 156451450349449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20053415 + ... + 26740275.

It is an arithmetic number, because the mean of its divisors is an integer number (6236485127145).

Almost surely, 2^{156451450353545} is an apocalyptic number.

It is an amenable number.

156451450353545 is a deficient number, since it is larger than the sum of its proper divisors (43116073715095).

156451450353545 is a wasteful number, since it uses less digits than its factorization.

156451450353545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687965.

The product of its (nonzero) digits is 54000000, while the sum is 56.

The spelling of 156451450353545 in words is "one hundred fifty-six trillion, four hundred fifty-one billion, four hundred fifty million, three hundred fifty-three thousand, five hundred forty-five".