145002252101 has 16 divisors (see below), whose sum is σ = 174521692800. Its totient is φ = 117690236928.

The previous prime is 145002252091. The next prime is 145002252121. The reversal of 145002252101 is 101252200541.

It is a cyclic number.

It is not a de Polignac number, because 145002252101 - 2⁶ = 145002252037 is a prime.

It is a super-2 number, since 2×145002252101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145002252121) 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, 23045 + ... + 539013.

It is an arithmetic number, because the mean of its divisors is an integer number (10907605800).

Almost surely, 2^145002252101 is an apocalyptic number.

It is an amenable number.

145002252101 is a deficient number, since it is larger than the sum of its proper divisors (29519440699).

145002252101 is a wasteful number, since it uses less digits than its factorization.

145002252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518108.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 145002252101 its reverse (101252200541), we get a palindrome (246254452642).

The spelling of 145002252101 in words is "one hundred forty-five billion, two million, two hundred fifty-two thousand, one hundred one".