155374144547 has 16 divisors (see below), whose sum is σ = 165644820480. Its totient is φ = 145428478272.

The previous prime is 155374144531. The next prime is 155374144559. The reversal of 155374144547 is 745441473551.

It is a cyclic number.

It is not a de Polignac number, because 155374144547 - 2⁴ = 155374144531 is a prime.

It is a super-2 number, since 2×155374144547² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155374144495 and 155374144504.

It is not an unprimeable number, because it can be changed into a prime (155374140547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151097 + ... + 577562.

It is an arithmetic number, because the mean of its divisors is an integer number (10352801280).

Almost surely, 2^155374144547 is an apocalyptic number.

155374144547 is a deficient number, since it is larger than the sum of its proper divisors (10270675933).

155374144547 is a wasteful number, since it uses less digits than its factorization.

155374144547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728882.

The product of its digits is 4704000, while the sum is 50.

The spelling of 155374144547 in words is "one hundred fifty-five billion, three hundred seventy-four million, one hundred forty-four thousand, five hundred forty-seven".