2045157126037 has 4 divisors (see below), whose sum is σ = 2045180295340. Its totient is φ = 2045133956736.

The previous prime is 2045157126029. The next prime is 2045157126101. The reversal of 2045157126037 is 7306217515402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1923100524081 + 122056601956 = 1386759^2 + 349366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045157126037 - 2³ = 2045157126029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045157125984 and 2045157126002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045157126437) 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, 11451738 + ... + 11628955.

It is an arithmetic number, because the mean of its divisors is an integer number (511295073835).

Almost surely, 2^{2045157126037} is an apocalyptic number.

It is an amenable number.

2045157126037 is a deficient number, since it is larger than the sum of its proper divisors (23169303).

2045157126037 is an equidigital number, since it uses as much as digits as its factorization.

2045157126037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169302.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 2045157126037 in words is "two trillion, forty-five billion, one hundred fifty-seven million, one hundred twenty-six thousand, thirty-seven".