1144557534 has 8 divisors (see below), whose sum is σ = 2289115080. Its totient is φ = 381519176.

The previous prime is 1144557523. The next prime is 1144557571. The reversal of 1144557534 is 4357554411.

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

1144557534 is an admirable number.

It is a super-2 number, since 2×1144557534² = 2620023897272322312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144557492 and 1144557501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95379789 + ... + 95379800.

It is an arithmetic number, because the mean of its divisors is an integer number (286139385).

Almost surely, 2^1144557534 is an apocalyptic number.

1144557534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1144557534 is a wasteful number, since it uses less digits than its factorization.

1144557534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190759594.

The product of its digits is 168000, while the sum is 39.

The square root of 1144557534 is about 33831.3099657699. The cubic root of 1144557534 is about 1046.0341811209.

The spelling of 1144557534 in words is "one billion, one hundred forty-four million, five hundred fifty-seven thousand, five hundred thirty-four".