7146445 has 8 divisors (see below), whose sum is σ = 8948736. Its totient is φ = 5468496.

The previous prime is 7146437. The next prime is 7146463. The reversal of 7146445 is 5446417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7146445 - 2³ = 7146437 is a prime.

It is a super-2 number, since 2×7146445² = 102143352276050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30957 + ... + 31186.

It is an arithmetic number, because the mean of its divisors is an integer number (1118592).

Almost surely, 2^7146445 is an apocalyptic number.

It is an amenable number.

7146445 is a deficient number, since it is larger than the sum of its proper divisors (1802291).

7146445 is a wasteful number, since it uses less digits than its factorization.

7146445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62171.

The product of its digits is 13440, while the sum is 31.

The square root of 7146445 is about 2673.2835614652. The cubic root of 7146445 is about 192.6179184201.

The spelling of 7146445 in words is "seven million, one hundred forty-six thousand, four hundred forty-five".