7146442 has 4 divisors (see below), whose sum is σ = 10719666. Its totient is φ = 3573220.

The previous prime is 7146437. The next prime is 7146463. The reversal of 7146442 is 2446417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 3308761 = 1959^2 + 1819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7146442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786609 + ... + 1786612.

Almost surely, 2^7146442 is an apocalyptic number.

7146442 is a deficient number, since it is larger than the sum of its proper divisors (3573224).

7146442 is a wasteful number, since it uses less digits than its factorization.

7146442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573223.

The product of its digits is 5376, while the sum is 28.

The square root of 7146442 is about 2673.2830003574. The cubic root of 7146442 is about 192.6178914671.

The spelling of 7146442 in words is "seven million, one hundred forty-six thousand, four hundred forty-two".