2257351545 has 32 divisors (see below), whose sum is σ = 3837576960. Its totient is φ = 1133064960.

The previous prime is 2257351529. The next prime is 2257351571. The reversal of 2257351545 is 5451537522.

2257351545 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2257351545 - 2⁴ = 2257351529 is a prime.

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, 58380 + ... + 89010.

It is an arithmetic number, because the mean of its divisors is an integer number (119924280).

Almost surely, 2^2257351545 is an apocalyptic number.

It is an amenable number.

2257351545 is a deficient number, since it is larger than the sum of its proper divisors (1580225415).

2257351545 is an equidigital number, since it uses as much as digits as its factorization.

2257351545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30690 (or 30656 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 2257351545 is about 47511.5937956200. The cubic root of 2257351545 is about 1311.7962936091.

The spelling of 2257351545 in words is "two billion, two hundred fifty-seven million, three hundred fifty-one thousand, five hundred forty-five".