145033500 has 96 divisors (see below), whose sum is σ = 436101120. Its totient is φ = 37416000.

The previous prime is 145033489. The next prime is 145033501. The reversal of 145033500 is 5330541.

It is a super-2 number, since 2×145033500² = 42069432244500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145033501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44941 + ... + 48059.

It is an arithmetic number, because the mean of its divisors is an integer number (4542720).

Almost surely, 2^145033500 is an apocalyptic number.

145033500 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 145033500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218050560).

145033500 is an abundant number, since it is smaller than the sum of its proper divisors (291067620).

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

145033500 is a wasteful number, since it uses less digits than its factorization.

145033500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 145033500 is about 12042.9855102462. The cubic root of 145033500 is about 525.3992427991.

The spelling of 145033500 in words is "one hundred forty-five million, thirty-three thousand, five hundred".