145450442100452 has 12 divisors (see below), whose sum is σ = 254540111525616. Its totient is φ = 72724695950280.

The previous prime is 145450442100437. The next prime is 145450442100529. The reversal of 145450442100452 is 254001244054541.

It is a super-2 number, since 2×145450442100452² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130651418 + ... + 131759985.

It is an arithmetic number, because the mean of its divisors is an integer number (21211675960468).

Almost surely, 2^{145450442100452} is an apocalyptic number.

It is an amenable number.

145450442100452 is a deficient number, since it is larger than the sum of its proper divisors (109089669425164).

145450442100452 is a wasteful number, since it uses less digits than its factorization.

145450442100452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262549978 (or 262549976 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 145450442100452 its reverse (254001244054541), we get a palindrome (399451686154993).

The spelling of 145450442100452 in words is "one hundred forty-five trillion, four hundred fifty billion, four hundred forty-two million, one hundred thousand, four hundred fifty-two".