2545453858 has 8 divisors (see below), whose sum is σ = 3819226320. Its totient is φ = 1272378420.

The previous prime is 2545453853. The next prime is 2545453879. The reversal of 2545453858 is 8583545452.

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

It is not an unprimeable number, because it can be changed into a prime (2545453853) 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, 165028 + ... + 179791.

It is an arithmetic number, because the mean of its divisors is an integer number (477403290).

Almost surely, 2^2545453858 is an apocalyptic number.

2545453858 is a deficient number, since it is larger than the sum of its proper divisors (1273772462).

2545453858 is a wasteful number, since it uses less digits than its factorization.

2545453858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348512.

The product of its digits is 3840000, while the sum is 49.

The square root of 2545453858 is about 50452.4910980617. The cubic root of 2545453858 is about 1365.3848392739.

The spelling of 2545453858 in words is "two billion, five hundred forty-five million, four hundred fifty-three thousand, eight hundred fifty-eight".