34212045 has 48 divisors (see below), whose sum is σ = 64514880. Its totient is φ = 15434496.

The previous prime is 34212043. The next prime is 34212137. The reversal of 34212045 is 54021243.

It is not a de Polignac number, because 34212045 - 2¹ = 34212043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34212043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65154 + ... + 65676.

It is an arithmetic number, because the mean of its divisors is an integer number (1344060).

Almost surely, 2^34212045 is an apocalyptic number.

34212045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34212045 is a deficient number, since it is larger than the sum of its proper divisors (30302835).

34212045 is a wasteful number, since it uses less digits than its factorization.

34212045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 34212045 is about 5849.1063419979. The cubic root of 34212045 is about 324.6332588963.

Adding to 34212045 its reverse (54021243), we get a palindrome (88233288).

The spelling of 34212045 in words is "thirty-four million, two hundred twelve thousand, forty-five".