145542344420155 has 16 divisors (see below), whose sum is σ = 174677715936000. Its totient is φ = 116415941765760.

The previous prime is 145542344420147. The next prime is 145542344420219. The reversal of 145542344420155 is 551024443245541.

It is not a de Polignac number, because 145542344420155 - 2³ = 145542344420147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145542344420099 and 145542344420108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098275350 + ... + 1098407860.

It is an arithmetic number, because the mean of its divisors is an integer number (10917357246000).

Almost surely, 2^{145542344420155} is an apocalyptic number.

145542344420155 is a deficient number, since it is larger than the sum of its proper divisors (29135371515845).

145542344420155 is a wasteful number, since it uses less digits than its factorization.

145542344420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164694.

The product of its (nonzero) digits is 7680000, while the sum is 49.

Adding to 145542344420155 its reverse (551024443245541), we get a palindrome (696566787665696).

The spelling of 145542344420155 in words is "one hundred forty-five trillion, five hundred forty-two billion, three hundred forty-four million, four hundred twenty thousand, one hundred fifty-five".