1542466 has 4 divisors (see below), whose sum is σ = 2313702. Its totient is φ = 771232.

The previous prime is 1542451. The next prime is 1542473. The reversal of 1542466 is 6642451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6642451 = 41 ⋅162011.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 378225 = 1079^2 + 615^2 .

It is a super-2 number, since 2×1542466² = 4758402722312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385615 + ... + 385618.

2^1542466 is an apocalyptic number.

1542466 is a deficient number, since it is larger than the sum of its proper divisors (771236).

1542466 is an equidigital number, since it uses as much as digits as its factorization.

1542466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771235.

The product of its digits is 5760, while the sum is 28.

The square root of 1542466 is about 1241.9605468774. The cubic root of 1542466 is about 115.5416415008.

The spelling of 1542466 in words is "one million, five hundred forty-two thousand, four hundred sixty-six".