2454145739 has 4 divisors (see below), whose sum is σ = 2457904656. Its totient is φ = 2450386824.

The previous prime is 2454145711. The next prime is 2454145753. The reversal of 2454145739 is 9375414542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2454145739 is a prime.

It is a super-2 number, since 2×2454145739² = 12045662616503712242, 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 2454145739.

It is not an unprimeable number, because it can be changed into a prime (2454145339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878479 + ... + 1879784.

It is an arithmetic number, because the mean of its divisors is an integer number (614476164).

Almost surely, 2^2454145739 is an apocalyptic number.

2454145739 is a deficient number, since it is larger than the sum of its proper divisors (3758917).

2454145739 is an equidigital number, since it uses as much as digits as its factorization.

2454145739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758916.

The product of its digits is 604800, while the sum is 44.

The square root of 2454145739 is about 49539.3352700659. The cubic root of 2454145739 is about 1348.8597118320.

The spelling of 2454145739 in words is "two billion, four hundred fifty-four million, one hundred forty-five thousand, seven hundred thirty-nine".