340860545 has 16 divisors (see below), whose sum is σ = 413921232. Its totient is φ = 269445120.

The previous prime is 340860491. The next prime is 340860599. The reversal of 340860545 is 545068043.

It is an interprime number because it is at equal distance from previous prime (340860491) and next prime (340860599).

It can be written as a sum of positive squares in 8 ways, for example, as 100982401 + 239878144 = 10049^2 + 15488^2 .

It is not a de Polignac number, because 340860545 - 2²² = 336666241 is a prime.

It is a super-2 number, since 2×340860545² = 232371822275394050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237149 + ... + 238581.

It is an arithmetic number, because the mean of its divisors is an integer number (25870077).

Almost surely, 2^340860545 is an apocalyptic number.

It is an amenable number.

340860545 is a deficient number, since it is larger than the sum of its proper divisors (73060687).

340860545 is a wasteful number, since it uses less digits than its factorization.

340860545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 340860545 is about 18462.4089706625. The cubic root of 340860545 is about 698.5415518730.

The spelling of 340860545 in words is "three hundred forty million, eight hundred sixty thousand, five hundred forty-five".