145154515514542 has 8 divisors (see below), whose sum is σ = 217731852661032. Its totient is φ = 72577231294200.

The previous prime is 145154515514537. The next prime is 145154515514629. The reversal of 145154515514542 is 245415515451541.

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

It is a super-2 number, since 2×145154515514542² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145154515514542.

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, 5462809 + ... + 17892772.

It is an arithmetic number, because the mean of its divisors is an integer number (27216481582629).

Almost surely, 2^{145154515514542} is an apocalyptic number.

145154515514542 is a deficient number, since it is larger than the sum of its proper divisors (72577337146490).

145154515514542 is a wasteful number, since it uses less digits than its factorization.

145154515514542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26463074.

The product of its digits is 8000000, while the sum is 52.

The spelling of 145154515514542 in words is "one hundred forty-five trillion, one hundred fifty-four billion, five hundred fifteen million, five hundred fourteen thousand, five hundred forty-two".