1158007457 has 8 divisors (see below), whose sum is σ = 1164510912. Its totient is φ = 1151514000.

The previous prime is 1158007447. The next prime is 1158007481. The reversal of 1158007457 is 7547008511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1158007457 - 2¹⁶ = 1157941921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1158007457.

It is not an unprimeable number, because it can be changed into a prime (1158007447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399668 + ... + 402554.

It is an arithmetic number, because the mean of its divisors is an integer number (145563864).

Almost surely, 2^1158007457 is an apocalyptic number.

It is an amenable number.

1158007457 is a deficient number, since it is larger than the sum of its proper divisors (6503455).

1158007457 is a wasteful number, since it uses less digits than its factorization.

1158007457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 1158007457 is about 34029.5086211952. The cubic root of 1158007457 is about 1050.1156205258.

The spelling of 1158007457 in words is "one billion, one hundred fifty-eight million, seven thousand, four hundred fifty-seven".