1157064450 has 48 divisors (see below), whose sum is σ = 2994290496. Its totient is φ = 295134400.

The previous prime is 1157064437. The next prime is 1157064457. The reversal of 1157064450 is 544607511.

It is not an unprimeable number, because it can be changed into a prime (1157064457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164241 + ... + 171140.

It is an arithmetic number, because the mean of its divisors is an integer number (62381052).

Almost surely, 2^1157064450 is an apocalyptic number.

1157064450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157064450 is an abundant number, since it is smaller than the sum of its proper divisors (1837226046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157064450 is a wasteful number, since it uses less digits than its factorization.

1157064450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335419 (or 335414 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1157064450 is about 34015.6500746348. The cubic root of 1157064450 is about 1049.8304941794.

The spelling of 1157064450 in words is "one billion, one hundred fifty-seven million, sixty-four thousand, four hundred fifty".