427564145146 has 8 divisors (see below), whose sum is σ = 641351494260. Its totient is φ = 213780313728.

The previous prime is 427564145101. The next prime is 427564145167. The reversal of 427564145146 is 641541465724.

It can be written as a sum of positive squares in 2 ways, for example, as 424568224921 + 2995920225 = 651589^2 + 54735^2 .

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

It is a super-2 number, since 2×427564145146² (a number of 24 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 427564145146.

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, 551031 + ... + 1076458.

Almost surely, 2^427564145146 is an apocalyptic number.

427564145146 is a deficient number, since it is larger than the sum of its proper divisors (213787349114).

427564145146 is a wasteful number, since it uses less digits than its factorization.

427564145146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758848.

The product of its digits is 3225600, while the sum is 49.

The spelling of 427564145146 in words is "four hundred twenty-seven billion, five hundred sixty-four million, one hundred forty-five thousand, one hundred forty-six".