1046145100 has 216 divisors, whose sum is σ = 3104520048. Its totient is φ = 300787200.

The previous prime is 1046145077. The next prime is 1046145103. The reversal of 1046145100 is 15416401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1046145103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 699954 + ... + 701446.

It is an arithmetic number, because the mean of its divisors is an integer number (14372778).

Almost surely, 2^1046145100 is an apocalyptic number.

1046145100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1046145100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552260024).

1046145100 is an abundant number, since it is smaller than the sum of its proper divisors (2058374948).

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

1046145100 is a wasteful number, since it uses less digits than its factorization.

1046145100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1046145100 is about 32344.1663982858. The cubic root of 1046145100 is about 1015.1509882399.

The spelling of 1046145100 in words is "one billion, forty-six million, one hundred forty-five thousand, one hundred".