145148768542 has 8 divisors (see below), whose sum is σ = 217730426256. Its totient is φ = 72571959792.

The previous prime is 145148768491. The next prime is 145148768543. The reversal of 145148768542 is 245867841541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145148768543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136458 + ... + 1257709.

It is an arithmetic number, because the mean of its divisors is an integer number (27216303282).

Almost surely, 2^145148768542 is an apocalyptic number.

145148768542 is a deficient number, since it is larger than the sum of its proper divisors (72581657714).

145148768542 is a wasteful number, since it uses less digits than its factorization.

145148768542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424482.

The product of its digits is 8601600, while the sum is 55.

The spelling of 145148768542 in words is "one hundred forty-five billion, one hundred forty-eight million, seven hundred sixty-eight thousand, five hundred forty-two".