145434131022 has 16 divisors (see below), whose sum is σ = 291496492800. Its totient is φ = 48373338552.

The previous prime is 145434130997. The next prime is 145434131023. The reversal of 145434131022 is 220131434541.

145434131022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145434131022² (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 (145434131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26173272 + ... + 26178827.

It is an arithmetic number, because the mean of its divisors is an integer number (18218530800).

Almost surely, 2^145434131022 is an apocalyptic number.

145434131022 is an abundant number, since it is smaller than the sum of its proper divisors (146062361778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145434131022 is a wasteful number, since it uses less digits than its factorization.

145434131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52352567.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 145434131022 its reverse (220131434541), we get a palindrome (365565565563).

The spelling of 145434131022 in words is "one hundred forty-five billion, four hundred thirty-four million, one hundred thirty-one thousand, twenty-two".