540046145 has 4 divisors (see below), whose sum is σ = 648055380. Its totient is φ = 432036912.

The previous prime is 540046127. The next prime is 540046181. The reversal of 540046145 is 541640045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166513216 + 373532929 = 12904^2 + 19327^2 .

It is a cyclic number.

It is not a de Polignac number, because 540046145 - 2¹² = 540042049 is a prime.

It is a super-2 number, since 2×540046145² = 583299677458722050, which contains 22 as substring.

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, 54004610 + ... + 54004619.

It is an arithmetic number, because the mean of its divisors is an integer number (162013845).

Almost surely, 2^540046145 is an apocalyptic number.

It is an amenable number.

540046145 is a deficient number, since it is larger than the sum of its proper divisors (108009235).

540046145 is a wasteful number, since it uses less digits than its factorization.

540046145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108009234.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 540046145 is about 23238.8929383480. The cubic root of 540046145 is about 814.3484800217.

The spelling of 540046145 in words is "five hundred forty million, forty-six thousand, one hundred forty-five".