145333734 has 128 divisors (see below), whose sum is σ = 380878848. Its totient is φ = 35925120.

The previous prime is 145333723. The next prime is 145333739. The reversal of 145333734 is 437333541.

It is a super-2 number, since 2×145333734² = 42243788476765512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145333695 and 145333704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145333739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 891537 + ... + 891699.

It is an arithmetic number, because the mean of its divisors is an integer number (2975616).

Almost surely, 2^145333734 is an apocalyptic number.

145333734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145333734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190439424).

145333734 is an abundant number, since it is smaller than the sum of its proper divisors (235545114).

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

145333734 is a wasteful number, since it uses less digits than its factorization.

145333734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its digits is 45360, while the sum is 33.

The square root of 145333734 is about 12055.4441643599. Note that the first 3 decimals coincide. The cubic root of 145333734 is about 525.7615360934.

The spelling of 145333734 in words is "one hundred forty-five million, three hundred thirty-three thousand, seven hundred thirty-four".