340001145 has 80 divisors (see below), whose sum is σ = 670336128. Its totient is φ = 163503360.

The previous prime is 340001141. The next prime is 340001147. The reversal of 340001145 is 541100043.

It is a happy number.

It is not a de Polignac number, because 340001145 - 2² = 340001141 is a prime.

It is a super-2 number, since 2×340001145² = 231201557202622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340001141) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 743757 + ... + 744213.

Almost surely, 2^340001145 is an apocalyptic number.

It is an amenable number.

340001145 is a deficient number, since it is larger than the sum of its proper divisors (330334983).

340001145 is a wasteful number, since it uses less digits than its factorization.

340001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 340001145 is about 18439.1199627314. The cubic root of 340001145 is about 697.9539881767.

Adding to 340001145 its reverse (541100043), we get a palindrome (881101188).

The spelling of 340001145 in words is "three hundred forty million, one thousand, one hundred forty-five".