1145335254 has 32 divisors (see below), whose sum is σ = 2771905536. Its totient is φ = 307989120.

The previous prime is 1145335231. The next prime is 1145335273. The reversal of 1145335254 is 4525335411.

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 15 ways as a sum of consecutive naturals, for example, 801342 + ... + 802769.

It is an arithmetic number, because the mean of its divisors is an integer number (86622048).

Almost surely, 2^1145335254 is an apocalyptic number.

1145335254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1145335254 is an abundant number, since it is smaller than the sum of its proper divisors (1626570282).

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

1145335254 is a wasteful number, since it uses less digits than its factorization.

1145335254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604140.

The product of its digits is 36000, while the sum is 33.

The square root of 1145335254 is about 33842.8021002990. The cubic root of 1145335254 is about 1046.2710521351.

The spelling of 1145335254 in words is "one billion, one hundred forty-five million, three hundred thirty-five thousand, two hundred fifty-four".