145253035544 has 32 divisors (see below), whose sum is σ = 276884703840. Its totient is φ = 71417721600.

The previous prime is 145253035537. The next prime is 145253035547. The reversal of 145253035544 is 445530352541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145253035547) 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, 1990829 + ... + 2062499.

It is an arithmetic number, because the mean of its divisors is an integer number (8652646995).

Almost surely, 2^145253035544 is an apocalyptic number.

It is an amenable number.

145253035544 is a deficient number, since it is larger than the sum of its proper divisors (131631668296).

145253035544 is a wasteful number, since it uses less digits than its factorization.

145253035544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75891 (or 75887 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 145253035544 in words is "one hundred forty-five billion, two hundred fifty-three million, thirty-five thousand, five hundred forty-four".