1455857157430 has 16 divisors (see below), whose sum is σ = 2822123105424. Its totient is φ = 537547258080.

The previous prime is 1455857157373. The next prime is 1455857157449. The reversal of 1455857157430 is 347517585541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5599450476 + ... + 5599450735.

It is an arithmetic number, because the mean of its divisors is an integer number (176382694089).

Almost surely, 2^{1455857157430} is an apocalyptic number.

1455857157430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455857157430 is a deficient number, since it is larger than the sum of its proper divisors (1366265947994).

1455857157430 is a wasteful number, since it uses less digits than its factorization.

1455857157430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11198901231.

The product of its (nonzero) digits is 11760000, while the sum is 55.

The spelling of 1455857157430 in words is "one trillion, four hundred fifty-five billion, eight hundred fifty-seven million, one hundred fifty-seven thousand, four hundred thirty".