1157454 has 12 divisors (see below), whose sum is σ = 2507856. Its totient is φ = 385812.

The previous prime is 1157449. The next prime is 1157489. The reversal of 1157454 is 4547511.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32134 + ... + 32169.

It is an arithmetic number, because the mean of its divisors is an integer number (208988).

2^1157454 is an apocalyptic number.

1157454 is an abundant number, since it is smaller than the sum of its proper divisors (1350402).

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

1157454 is a wasteful number, since it uses less digits than its factorization.

1157454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64311 (or 64308 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 1157454 is about 1075.8503613421. The cubic root of 1157454 is about 104.9948296774.

Adding to 1157454 its sum of digits (27), we get a triangular number (1157481 = T₁₅₂₁).

It can be divided in two parts, 11574 and 54, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1157454 in words is "one million, one hundred fifty-seven thousand, four hundred fifty-four".