145552340051057 has 2 divisors, whose sum is σ = 145552340051058. Its totient is φ = 145552340051056.

The previous prime is 145552340051039. The next prime is 145552340051141. The reversal of 145552340051057 is 750150043255541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87770085107761 + 57782254943296 = 9368569^2 + 7601464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145552340051057 is a prime.

It is not a weakly prime, because it can be changed into another prime (145552340051357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72776170025528 + 72776170025529.

It is an arithmetic number, because the mean of its divisors is an integer number (72776170025529).

Almost surely, 2^{145552340051057} is an apocalyptic number.

It is an amenable number.

145552340051057 is a deficient number, since it is larger than the sum of its proper divisors (1).

145552340051057 is an equidigital number, since it uses as much as digits as its factorization.

145552340051057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 145552340051057 in words is "one hundred forty-five trillion, five hundred fifty-two billion, three hundred forty million, fifty-one thousand, fifty-seven".