1154650231 has 8 divisors (see below), whose sum is σ = 1355265440. Its totient is φ = 962951328.

The previous prime is 1154650219. The next prime is 1154650243. The reversal of 1154650231 is 1320564511.

It is an interprime number because it is at equal distance from previous prime (1154650219) and next prime (1154650243).

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

It is a cyclic number.

It is not a de Polignac number, because 1154650231 - 2²⁵ = 1121095799 is a prime.

It is a super-2 number, since 2×1154650231² = 2666434311896706722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154650231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154650201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228796 + ... + 2229313.

It is an arithmetic number, because the mean of its divisors is an integer number (169408180).

Almost surely, 2^1154650231 is an apocalyptic number.

1154650231 is a deficient number, since it is larger than the sum of its proper divisors (200615209).

1154650231 is an equidigital number, since it uses as much as digits as its factorization.

1154650231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458153.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1154650231 is about 33980.1446583148. The cubic root of 1154650231 is about 1049.0998274379.

The spelling of 1154650231 in words is "one billion, one hundred fifty-four million, six hundred fifty thousand, two hundred thirty-one".