143690465216451 has 16 divisors (see below), whose sum is σ = 194807967582368. Its totient is φ = 94184591961600.

The previous prime is 143690465216449. The next prime is 143690465216461. The reversal of 143690465216451 is 154612564096341.

It is not a de Polignac number, because 143690465216451 - 2¹ = 143690465216449 is a prime.

It is a super-2 number, since 2×143690465216451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143690465216391 and 143690465216400.

It is not an unprimeable number, because it can be changed into a prime (143690465216461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160652470 + ... + 161544411.

It is an arithmetic number, because the mean of its divisors is an integer number (12175497973898).

Almost surely, 2^{143690465216451} is an apocalyptic number.

143690465216451 is a deficient number, since it is larger than the sum of its proper divisors (51117502365917).

143690465216451 is a wasteful number, since it uses less digits than its factorization.

143690465216451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322199382.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 143690465216451 in words is "one hundred forty-three trillion, six hundred ninety billion, four hundred sixty-five million, two hundred sixteen thousand, four hundred fifty-one".