1546645146 has 32 divisors (see below), whose sum is σ = 3112836480. Its totient is φ = 512300544.

The previous prime is 1546645141. The next prime is 1546645147. The reversal of 1546645146 is 6415466451.

It is a happy number.

It is a super-2 number, since 2×1546645146² = 4784222415290722632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1546645098 and 1546645107.

It is not an unprimeable number, because it can be changed into a prime (1546645141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037970 + ... + 1039458.

It is an arithmetic number, because the mean of its divisors is an integer number (97276140).

Almost surely, 2^1546645146 is an apocalyptic number.

1546645146 is an abundant number, since it is smaller than the sum of its proper divisors (1566191334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1546645146 is a wasteful number, since it uses less digits than its factorization.

1546645146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470.

The product of its digits is 345600, while the sum is 42.

The square root of 1546645146 is about 39327.4096019557. The cubic root of 1546645146 is about 1156.4589662503.

The spelling of 1546645146 in words is "one billion, five hundred forty-six million, six hundred forty-five thousand, one hundred forty-six".