145872104 has 64 divisors (see below), whose sum is σ = 335664000. Its totient is φ = 58005504.

The previous prime is 145872091. The next prime is 145872113. The reversal of 145872104 is 401278541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68447 + ... + 70545.

It is an arithmetic number, because the mean of its divisors is an integer number (5244750).

Almost surely, 2^145872104 is an apocalyptic number.

145872104 is a gapful number since it is divisible by the number (14) 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 145872104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167832000).

145872104 is an abundant number, since it is smaller than the sum of its proper divisors (189791896).

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

145872104 is a wasteful number, since it uses less digits than its factorization.

145872104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 145872104 is about 12077.7524399203. The cubic root of 145872104 is about 526.4099412854.

The spelling of 145872104 in words is "one hundred forty-five million, eight hundred seventy-two thousand, one hundred four".