145133245542251 has 16 divisors (see below), whose sum is σ = 146618512628640. Its totient is φ = 143648934451200.

The previous prime is 145133245542221. The next prime is 145133245542283. The reversal of 145133245542251 is 152245542331541.

It is a cyclic number.

It is not a de Polignac number, because 145133245542251 - 2¹⁰ = 145133245541227 is a prime.

It is a super-2 number, since 2×145133245542251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145133245542196 and 145133245542205.

It is not an unprimeable number, because it can be changed into a prime (145133245542221) 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, 4816406981 + ... + 4816437113.

It is an arithmetic number, because the mean of its divisors is an integer number (9163657039290).

Almost surely, 2^{145133245542251} is an apocalyptic number.

145133245542251 is a deficient number, since it is larger than the sum of its proper divisors (1485267086389).

145133245542251 is a wasteful number, since it uses less digits than its factorization.

145133245542251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44366.

The product of its digits is 2880000, while the sum is 47.

Adding to 145133245542251 its reverse (152245542331541), we get a palindrome (297378787873792).

The spelling of 145133245542251 in words is "one hundred forty-five trillion, one hundred thirty-three billion, two hundred forty-five million, five hundred forty-two thousand, two hundred fifty-one".