245149465 has 8 divisors (see below), whose sum is σ = 320923008. Its totient is φ = 178290480.

The previous prime is 245149459. The next prime is 245149481. The reversal of 245149465 is 564941542.

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

It is not a de Polignac number, because 245149465 - 2⁷ = 245149337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228577 + ... + 2228686.

It is an arithmetic number, because the mean of its divisors is an integer number (40115376).

Almost surely, 2^245149465 is an apocalyptic number.

It is an amenable number.

245149465 is a deficient number, since it is larger than the sum of its proper divisors (75773543).

245149465 is a wasteful number, since it uses less digits than its factorization.

245149465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457279.

The product of its digits is 172800, while the sum is 40.

The square root of 245149465 is about 15657.2495988280. The cubic root of 245149465 is about 625.8596937405.

The spelling of 245149465 in words is "two hundred forty-five million, one hundred forty-nine thousand, four hundred sixty-five".