1345541630 has 32 divisors (see below), whose sum is σ = 2595599424. Its totient is φ = 500898816.

The previous prime is 1345541591. The next prime is 1345541641. The reversal of 1345541630 is 361455431.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70547 + ... + 87566.

It is an arithmetic number, because the mean of its divisors is an integer number (81112482).

Almost surely, 2^1345541630 is an apocalyptic number.

1345541630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345541630 is a deficient number, since it is larger than the sum of its proper divisors (1250057794).

1345541630 is a wasteful number, since it uses less digits than its factorization.

1345541630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158180.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1345541630 is about 36681.6252366222. The cubic root of 1345541630 is about 1103.9914577640.

The spelling of 1345541630 in words is "one billion, three hundred forty-five million, five hundred forty-one thousand, six hundred thirty".