1145510231654 has 4 divisors (see below), whose sum is σ = 1718265347484. Its totient is φ = 572755115826.

The previous prime is 1145510231639. The next prime is 1145510231669. The reversal of 1145510231654 is 4561320155411.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1145510231639) and next prime (1145510231669).

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 as a sum of consecutive naturals, namely, 286377557912 + ... + 286377557915.

It is an arithmetic number, because the mean of its divisors is an integer number (429566336871).

Almost surely, 2^{1145510231654} is an apocalyptic number.

1145510231654 is a deficient number, since it is larger than the sum of its proper divisors (572755115830).

1145510231654 is an equidigital number, since it uses as much as digits as its factorization.

1145510231654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572755115829.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 1145510231654 in words is "one trillion, one hundred forty-five billion, five hundred ten million, two hundred thirty-one thousand, six hundred fifty-four".