1453317157 has 2 divisors, whose sum is σ = 1453317158. Its totient is φ = 1453317156.

The previous prime is 1453317143. The next prime is 1453317181. The reversal of 1453317157 is 7517133541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267431201 + 185885956 = 35601^2 + 13634^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453317157 is a prime.

It is a super-2 number, since 2×1453317157² = 4224261517661125298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453317137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726658578 + 726658579.

It is an arithmetic number, because the mean of its divisors is an integer number (726658579).

Almost surely, 2^1453317157 is an apocalyptic number.

It is an amenable number.

1453317157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453317157 is an equidigital number, since it uses as much as digits as its factorization.

1453317157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 1453317157 is about 38122.3970521267. The cubic root of 1453317157 is about 1132.7136485330.

The spelling of 1453317157 in words is "one billion, four hundred fifty-three million, three hundred seventeen thousand, one hundred fifty-seven".