145155333545542 has 8 divisors (see below), whose sum is σ = 217776520821096. Its totient is φ = 72563159938512.

The previous prime is 145155333545503. The next prime is 145155333545657. The reversal of 145155333545542 is 245545333551541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7253404623 + ... + 7253424634.

It is an arithmetic number, because the mean of its divisors is an integer number (27222065102637).

Almost surely, 2^{145155333545542} is an apocalyptic number.

145155333545542 is a deficient number, since it is larger than the sum of its proper divisors (72621187275554).

145155333545542 is a wasteful number, since it uses less digits than its factorization.

145155333545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14506834262.

The product of its digits is 54000000, while the sum is 55.

The spelling of 145155333545542 in words is "one hundred forty-five trillion, one hundred fifty-five billion, three hundred thirty-three million, five hundred forty-five thousand, five hundred forty-two".