142545121043 has 48 divisors (see below), whose sum is σ = 162630625248. Its totient is φ = 124086297600.

The previous prime is 142545121039. The next prime is 142545121049. The reversal of 142545121043 is 340121545241.

It is not a de Polignac number, because 142545121043 - 2² = 142545121039 is a prime.

It is a super-2 number, since 2×142545121043² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142545121049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130654928 + ... + 130656018.

It is an arithmetic number, because the mean of its divisors is an integer number (3388138026).

Almost surely, 2^142545121043 is an apocalyptic number.

142545121043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142545121043 is a deficient number, since it is larger than the sum of its proper divisors (20085504205).

142545121043 is a wasteful number, since it uses less digits than its factorization.

142545121043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 142545121043 its reverse (340121545241), we get a palindrome (482666666284).

The spelling of 142545121043 in words is "one hundred forty-two billion, five hundred forty-five million, one hundred twenty-one thousand, forty-three".