245236633554 has 64 divisors (see below), whose sum is σ = 543411348480. Its totient is φ = 73155952320.

The previous prime is 245236633553. The next prime is 245236633591. The reversal of 245236633554 is 455336632542.

It is a super-3 number, since 3×245236633554³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (245236633553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6876112 + ... + 6911684.

It is an arithmetic number, because the mean of its divisors is an integer number (8490802320).

Almost surely, 2^245236633554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245236633554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271705674240).

245236633554 is an abundant number, since it is smaller than the sum of its proper divisors (298174714926).

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

245236633554 is a wasteful number, since it uses less digits than its factorization.

245236633554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37215.

The product of its digits is 7776000, while the sum is 48.

The spelling of 245236633554 in words is "two hundred forty-five billion, two hundred thirty-six million, six hundred thirty-three thousand, five hundred fifty-four".