145051561142 has 16 divisors (see below), whose sum is σ = 219544464960. Its totient is φ = 71870316672.

The previous prime is 145051561139. The next prime is 145051561153. The reversal of 145051561142 is 241165150541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189148 + ... + 1305440.

It is an arithmetic number, because the mean of its divisors is an integer number (13721529060).

Almost surely, 2^145051561142 is an apocalyptic number.

145051561142 is a deficient number, since it is larger than the sum of its proper divisors (74492903818).

145051561142 is a wasteful number, since it uses less digits than its factorization.

145051561142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121927.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 145051561142 in words is "one hundred forty-five billion, fifty-one million, five hundred sixty-one thousand, one hundred forty-two".