1552406146 has 16 divisors (see below), whose sum is σ = 2423032704. Its totient is φ = 745351984.

The previous prime is 1552406143. The next prime is 1552406213. The reversal of 1552406146 is 6416042551.

It is not an unprimeable number, because it can be changed into a prime (1552406143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150820 + ... + 160783.

It is an arithmetic number, because the mean of its divisors is an integer number (151439544).

Almost surely, 2^1552406146 is an apocalyptic number.

1552406146 is a deficient number, since it is larger than the sum of its proper divisors (870626558).

1552406146 is a wasteful number, since it uses less digits than its factorization.

1552406146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311705.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1552406146 is about 39400.5856047851. The cubic root of 1552406146 is about 1157.8930605824.

Adding to 1552406146 its reverse (6416042551), we get a palindrome (7968448697).

The spelling of 1552406146 in words is "one billion, five hundred fifty-two million, four hundred six thousand, one hundred forty-six".