7543945152142 has 16 divisors (see below), whose sum is σ = 12971548340352. Its totient is φ = 3223351616760.

The previous prime is 7543945152077. The next prime is 7543945152229. The reversal of 7543945152142 is 2412515493457.

It is a super-2 number, since 2×7543945152142² (a number of 27 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 7543945152142.

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, 813973048 + ... + 813982315.

It is an arithmetic number, because the mean of its divisors is an integer number (810721771272).

Almost surely, 2^{7543945152142} is an apocalyptic number.

7543945152142 is a deficient number, since it is larger than the sum of its proper divisors (5427603188210).

7543945152142 is a wasteful number, since it uses less digits than its factorization.

7543945152142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627955703.

The product of its digits is 6048000, while the sum is 52.

The spelling of 7543945152142 in words is "seven trillion, five hundred forty-three billion, nine hundred forty-five million, one hundred fifty-two thousand, one hundred forty-two".