245462520 has 128 divisors (see below), whose sum is σ = 780480000. Its totient is φ = 61585920.

The previous prime is 245462513. The next prime is 245462537. The reversal of 245462520 is 25264542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453450 + ... + 453990.

It is an arithmetic number, because the mean of its divisors is an integer number (6097500).

Almost surely, 2^245462520 is an apocalyptic number.

245462520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245462520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390240000).

245462520 is an abundant number, since it is smaller than the sum of its proper divisors (535017480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245462520 is a wasteful number, since it uses less digits than its factorization.

245462520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 245462520 is about 15667.2435354787. The cubic root of 245462520 is about 626.1259872927.

The spelling of 245462520 in words is "two hundred forty-five million, four hundred sixty-two thousand, five hundred twenty".