1945545857374 has 16 divisors (see below), whose sum is σ = 3341773980000. Its totient is φ = 832167239904.

The previous prime is 1945545857341. The next prime is 1945545857413. The reversal of 1945545857374 is 4737585455491.

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, 136503249 + ... + 136517500.

It is an arithmetic number, because the mean of its divisors is an integer number (208860873750).

Almost surely, 2^{1945545857374} is an apocalyptic number.

1945545857374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1945545857374 is a deficient number, since it is larger than the sum of its proper divisors (1396228122626).

1945545857374 is a wasteful number, since it uses less digits than its factorization.

1945545857374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273021267.

The product of its digits is 423360000, while the sum is 67.

The spelling of 1945545857374 in words is "one trillion, nine hundred forty-five billion, five hundred forty-five million, eight hundred fifty-seven thousand, three hundred seventy-four".