11457534 has 16 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 3471960.

The previous prime is 11457533. The next prime is 11457553. The reversal of 11457534 is 43575411.

It is a super-2 number, since 2×11457534² = 262550170722312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86734 + ... + 86865.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^11457534 is an apocalyptic number.

11457534 is an abundant number, since it is smaller than the sum of its proper divisors (13540866).

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

11457534 is a wasteful number, since it uses less digits than its factorization.

11457534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173615.

The product of its digits is 8400, while the sum is 30.

The square root of 11457534 is about 3384.8979305143. The cubic root of 11457534 is about 225.4396932815.

The spelling of 11457534 in words is "eleven million, four hundred fifty-seven thousand, five hundred thirty-four".