145251054223 has 8 divisors (see below), whose sum is σ = 158773248000. Its totient is φ = 131781785880.

The previous prime is 145251054197. The next prime is 145251054229. The reversal of 145251054223 is 322450152541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145251054223 - 2⁵ = 145251054191 is a prime.

It is a super-2 number, since 2×145251054223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145251054229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13225615 + ... + 13236592.

It is an arithmetic number, because the mean of its divisors is an integer number (19846656000).

Almost surely, 2^145251054223 is an apocalyptic number.

145251054223 is a deficient number, since it is larger than the sum of its proper divisors (13522193777).

145251054223 is a wasteful number, since it uses less digits than its factorization.

145251054223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26462717.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 145251054223 in words is "one hundred forty-five billion, two hundred fifty-one million, fifty-four thousand, two hundred twenty-three".