145244724142 has 32 divisors (see below), whose sum is σ = 257089480704. Its totient is φ = 60224148000.

The previous prime is 145244724109. The next prime is 145244724143. The reversal of 145244724142 is 241427442541.

It is a junction number, because it is equal to n+sod(n) for n = 145244724095 and 145244724104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244724143) 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, 1716828 + ... + 1799440.

It is an arithmetic number, because the mean of its divisors is an integer number (8034046272).

Almost surely, 2^145244724142 is an apocalyptic number.

145244724142 is a deficient number, since it is larger than the sum of its proper divisors (111844756562).

145244724142 is a wasteful number, since it uses less digits than its factorization.

145244724142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86704.

The product of its digits is 286720, while the sum is 40.

The spelling of 145244724142 in words is "one hundred forty-five billion, two hundred forty-four million, seven hundred twenty-four thousand, one hundred forty-two".