245223477 has 16 divisors (see below), whose sum is σ = 369252160. Its totient is φ = 160801200.

The previous prime is 245223463. The next prime is 245223497. The reversal of 245223477 is 774322542.

It is a happy number.

It is not a de Polignac number, because 245223477 - 2²³ = 236834869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245223427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72799 + ... + 76092.

It is an arithmetic number, because the mean of its divisors is an integer number (23078260).

Almost surely, 2^245223477 is an apocalyptic number.

245223477 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

245223477 is a deficient number, since it is larger than the sum of its proper divisors (124028683).

245223477 is a wasteful number, since it uses less digits than its factorization.

245223477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148961 (or 148955 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 245223477 is about 15659.6129262508. The cubic root of 245223477 is about 625.9226709218.

The spelling of 245223477 in words is "two hundred forty-five million, two hundred twenty-three thousand, four hundred seventy-seven".