45550143157 has 2 divisors, whose sum is σ = 45550143158. Its totient is φ = 45550143156.

The previous prime is 45550143151. The next prime is 45550143181. The reversal of 45550143157 is 75134105554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44432845681 + 1117297476 = 210791^2 + 33426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45550143157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45550143151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775071578 + 22775071579.

It is an arithmetic number, because the mean of its divisors is an integer number (22775071579).

Almost surely, 2^45550143157 is an apocalyptic number.

It is an amenable number.

45550143157 is a deficient number, since it is larger than the sum of its proper divisors (1).

45550143157 is an equidigital number, since it uses as much as digits as its factorization.

45550143157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 45550143157 in words is "forty-five billion, five hundred fifty million, one hundred forty-three thousand, one hundred fifty-seven".