155523142430 has 16 divisors (see below), whose sum is σ = 280286851824. Its totient is φ = 62132546880.

The previous prime is 155523142417. The next prime is 155523142441. The reversal of 155523142430 is 34241325551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9580247 + ... + 9596466.

It is an arithmetic number, because the mean of its divisors is an integer number (17517928239).

Almost surely, 2^155523142430 is an apocalyptic number.

155523142430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155523142430 is a deficient number, since it is larger than the sum of its proper divisors (124763709394).

155523142430 is a wasteful number, since it uses less digits than its factorization.

155523142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177531.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 155523142430 its reverse (34241325551), we get a palindrome (189764467981).

The spelling of 155523142430 in words is "one hundred fifty-five billion, five hundred twenty-three million, one hundred forty-two thousand, four hundred thirty".