155402047463 has 32 divisors (see below), whose sum is σ = 175131328512. Its totient is φ = 136923696000.

The previous prime is 155402047447. The next prime is 155402047513. The reversal of 155402047463 is 364740204551.

It is not a de Polignac number, because 155402047463 - 2⁴ = 155402047447 is a prime.

It is a super-3 number, since 3×155402047463³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155402047463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155402067463) 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, 8845538 + ... + 8863088.

It is an arithmetic number, because the mean of its divisors is an integer number (5472854016).

Almost surely, 2^155402047463 is an apocalyptic number.

155402047463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155402047463 is a deficient number, since it is larger than the sum of its proper divisors (19729281049).

155402047463 is a wasteful number, since it uses less digits than its factorization.

155402047463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17895.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 155402047463 in words is "one hundred fifty-five billion, four hundred two million, forty-seven thousand, four hundred sixty-three".