155622215134 has 8 divisors (see below), whose sum is σ = 233435528280. Its totient is φ = 77810372376.

The previous prime is 155622215131. The next prime is 155622215137. The reversal of 155622215134 is 431512226551.

It is an interprime number because it is at equal distance from previous prime (155622215131) and next prime (155622215137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155622215093 and 155622215102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155622215131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47124 + ... + 559879.

It is an arithmetic number, because the mean of its divisors is an integer number (29179441035).

Almost surely, 2^155622215134 is an apocalyptic number.

155622215134 is a deficient number, since it is larger than the sum of its proper divisors (77813313146).

155622215134 is a wasteful number, since it uses less digits than its factorization.

155622215134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735194.

The product of its digits is 72000, while the sum is 37.

The spelling of 155622215134 in words is "one hundred fifty-five billion, six hundred twenty-two million, two hundred fifteen thousand, one hundred thirty-four".