145212013245422 has 8 divisors (see below), whose sum is σ = 221388807079272. Its totient is φ = 71415744219000.

The previous prime is 145212013245407. The next prime is 145212013245457. The reversal of 145212013245422 is 224542310212541.

It is a happy number.

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

It is a super-2 number, since 2×145212013245422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 595131201704 + ... + 595131201947.

It is an arithmetic number, because the mean of its divisors is an integer number (27673600884909).

Almost surely, 2^{145212013245422} is an apocalyptic number.

145212013245422 is a deficient number, since it is larger than the sum of its proper divisors (76176793833850).

145212013245422 is a wasteful number, since it uses less digits than its factorization.

145212013245422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190262403714.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 145212013245422 its reverse (224542310212541), we get a palindrome (369754323457963).

The spelling of 145212013245422 in words is "one hundred forty-five trillion, two hundred twelve billion, thirteen million, two hundred forty-five thousand, four hundred twenty-two".