1151455454 has 4 divisors (see below), whose sum is σ = 1727183184. Its totient is φ = 575727726.

The previous prime is 1151455453. The next prime is 1151455489. The reversal of 1151455454 is 4545541511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4545541511 = 7 ⋅649363073.

It is a super-2 number, since 2×1151455454² = 2651699325092692232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151455453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287863862 + ... + 287863865.

It is an arithmetic number, because the mean of its divisors is an integer number (431795796).

Almost surely, 2^1151455454 is an apocalyptic number.

1151455454 is a deficient number, since it is larger than the sum of its proper divisors (575727730).

1151455454 is an equidigital number, since it uses as much as digits as its factorization.

1151455454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575727729.

The product of its digits is 40000, while the sum is 35.

The square root of 1151455454 is about 33933.1026285543. The cubic root of 1151455454 is about 1048.1313563912.

Adding to 1151455454 its reverse (4545541511), we get a palindrome (5696996965).

The spelling of 1151455454 in words is "one billion, one hundred fifty-one million, four hundred fifty-five thousand, four hundred fifty-four".