145297104 has 80 divisors (see below), whose sum is σ = 397147200. Its totient is φ = 45646848.

The previous prime is 145297099. The next prime is 145297111. The reversal of 145297104 is 401792541.

It is a happy number.

It is a super-2 number, since 2×145297104² = 42222496861573632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285202 + ... + 285710.

It is an arithmetic number, because the mean of its divisors is an integer number (4964340).

Almost surely, 2^145297104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145297104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198573600).

145297104 is an abundant number, since it is smaller than the sum of its proper divisors (251850096).

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

145297104 is a wasteful number, since it uses less digits than its factorization.

145297104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 145297104 is about 12053.9248379936. The cubic root of 145297104 is about 525.7173612994.

The spelling of 145297104 in words is "one hundred forty-five million, two hundred ninety-seven thousand, one hundred four".