172453542037 has 16 divisors (see below), whose sum is σ = 197852332032. Its totient is φ = 147246237360.

The previous prime is 172453542029. The next prime is 172453542043. The reversal of 172453542037 is 730245354271.

It is a cyclic number.

It is not a de Polignac number, because 172453542037 - 2³ = 172453542029 is a prime.

It is a super-2 number, since 2×172453542037² (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 = 172453541984 and 172453542002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172453542007) 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, 2469868 + ... + 2538730.

It is an arithmetic number, because the mean of its divisors is an integer number (12365770752).

Almost surely, 2^172453542037 is an apocalyptic number.

It is an amenable number.

172453542037 is a deficient number, since it is larger than the sum of its proper divisors (25398789995).

172453542037 is a wasteful number, since it uses less digits than its factorization.

172453542037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70248.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 172453542037 in words is "one hundred seventy-two billion, four hundred fifty-three million, five hundred forty-two thousand, thirty-seven".