145557865467 has 36 divisors (see below), whose sum is σ = 249780619296. Its totient is φ = 81406211040.

The previous prime is 145557865463. The next prime is 145557865469. The reversal of 145557865467 is 764568755541.

It is a happy number.

145557865467 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 5 + 7 + 86 + 546 + 7 = 666.

It is not a de Polignac number, because 145557865467 - 2² = 145557865463 is a prime.

It is a super-2 number, since 2×145557865467² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (145557865463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3490584 + ... + 3532037.

It is an arithmetic number, because the mean of its divisors is an integer number (6938350536).

Almost surely, 2^145557865467 is an apocalyptic number.

145557865467 is a deficient number, since it is larger than the sum of its proper divisors (104222753829).

145557865467 is a wasteful number, since it uses less digits than its factorization.

145557865467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022688 (or 7022678 counting only the distinct ones).

The product of its digits is 141120000, while the sum is 63.

The spelling of 145557865467 in words is "one hundred forty-five billion, five hundred fifty-seven million, eight hundred sixty-five thousand, four hundred sixty-seven".