155341244644 has 6 divisors (see below), whose sum is σ = 271847178134. Its totient is φ = 77670622320.

The previous prime is 155341244633. The next prime is 155341244767. The reversal of 155341244644 is 446442143551.

It can be written as a sum of positive squares in only one way, i.e., 155147756544 + 193488100 = 393888^2 + 13910^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155341244644.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19417655577 + ... + 19417655584.

Almost surely, 2^155341244644 is an apocalyptic number.

It is an amenable number.

155341244644 is a deficient number, since it is larger than the sum of its proper divisors (116505933490).

155341244644 is a wasteful number, since it uses less digits than its factorization.

155341244644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835311165 (or 38835311163 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The spelling of 155341244644 in words is "one hundred fifty-five billion, three hundred forty-one million, two hundred forty-four thousand, six hundred forty-four".