144861470802 has 24 divisors (see below), whose sum is σ = 321165743184. Its totient is φ = 47164199544.

The previous prime is 144861470773. The next prime is 144861470807. The reversal of 144861470802 is 208074168441.

144861470802 is a `hidden beast` number, since 1 + 4 + 48 + 61 + 470 + 80 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (144861470807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93578988 + ... + 93580535.

It is an arithmetic number, because the mean of its divisors is an integer number (13381905966).

Almost surely, 2^144861470802 is an apocalyptic number.

144861470802 is an abundant number, since it is smaller than the sum of its proper divisors (176304272382).

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

144861470802 is a wasteful number, since it uses less digits than its factorization.

144861470802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187159574 (or 187159571 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 144861470802 in words is "one hundred forty-four billion, eight hundred sixty-one million, four hundred seventy thousand, eight hundred two".