1115402454 has 32 divisors (see below), whose sum is σ = 2501850240. Its totient is φ = 368324136.

The previous prime is 1115402447. The next prime is 1115402461. The reversal of 1115402454 is 4542045111.

1115402454 is a `hidden beast` number, since 111 + 540 + 2 + 4 + 5 + 4 = 666.

1115402454 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1115402447) and next prime (1115402461).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90744 + ... + 102299.

It is an arithmetic number, because the mean of its divisors is an integer number (78182820).

Almost surely, 2^1115402454 is an apocalyptic number.

1115402454 is an abundant number, since it is smaller than the sum of its proper divisors (1386447786).

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

1115402454 is a wasteful number, since it uses less digits than its factorization.

1115402454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193161 (or 193155 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1115402454 is about 33397.6414436708. The cubic root of 1115402454 is about 1037.0758756883.

Adding to 1115402454 its reverse (4542045111), we get a palindrome (5657447565).

The spelling of 1115402454 in words is "one billion, one hundred fifteen million, four hundred two thousand, four hundred fifty-four".