1147457534 has 16 divisors (see below), whose sum is σ = 1901670048. Its totient is φ = 516502272.

The previous prime is 1147457503. The next prime is 1147457543. The reversal of 1147457534 is 4357547411.

It is a super-2 number, since 2×1147457534² = 2633317584666722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1147457491 and 1147457500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732887 + ... + 734450.

It is an arithmetic number, because the mean of its divisors is an integer number (118854378).

Almost surely, 2^1147457534 is an apocalyptic number.

1147457534 is a deficient number, since it is larger than the sum of its proper divisors (754212514).

1147457534 is a wasteful number, since it uses less digits than its factorization.

1147457534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467379.

The product of its digits is 235200, while the sum is 41.

The square root of 1147457534 is about 33874.1425574139. The cubic root of 1147457534 is about 1046.9168921577.

The spelling of 1147457534 in words is "one billion, one hundred forty-seven million, four hundred fifty-seven thousand, five hundred thirty-four".