145112143531 has 8 divisors (see below), whose sum is σ = 153651617280. Its totient is φ = 136573054848.

The previous prime is 145112143529. The next prime is 145112143537. The reversal of 145112143531 is 135341211541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145112143531 - 2¹ = 145112143529 is a prime.

It is a super-2 number, since 2×145112143531² (a number of 23 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 = 145112143493 and 145112143502.

It is not an unprimeable number, because it can be changed into a prime (145112143537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115565 + ... + 1238833.

It is an arithmetic number, because the mean of its divisors is an integer number (19206452160).

Almost surely, 2^145112143531 is an apocalyptic number.

145112143531 is a deficient number, since it is larger than the sum of its proper divisors (8539473749).

145112143531 is a wasteful number, since it uses less digits than its factorization.

145112143531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192533.

The product of its digits is 7200, while the sum is 31.

The spelling of 145112143531 in words is "one hundred forty-five billion, one hundred twelve million, one hundred forty-three thousand, five hundred thirty-one".