145672261297 has 16 divisors (see below), whose sum is σ = 147821731200. Its totient is φ = 143537990400.

The previous prime is 145672261289. The next prime is 145672261313. The reversal of 145672261297 is 792162276541.

It is a cyclic number.

It is not a de Polignac number, because 145672261297 - 2³ = 145672261289 is a prime.

It is a super-2 number, since 2×145672261297² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145672261247) 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, 48378522 + ... + 48381532.

It is an arithmetic number, because the mean of its divisors is an integer number (9238858200).

Almost surely, 2^145672261297 is an apocalyptic number.

It is an amenable number.

145672261297 is a deficient number, since it is larger than the sum of its proper divisors (2149469903).

145672261297 is a wasteful number, since it uses less digits than its factorization.

145672261297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its digits is 2540160, while the sum is 52.

The spelling of 145672261297 in words is "one hundred forty-five billion, six hundred seventy-two million, two hundred sixty-one thousand, two hundred ninety-seven".