145333456 has 40 divisors (see below), whose sum is σ = 294425600. Its totient is φ = 69413760.

The previous prime is 145333399. The next prime is 145333469. The reversal of 145333456 is 654333541.

It is a super-2 number, since 2×145333456² = 42243626865807872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37330 + ... + 41038.

It is an arithmetic number, because the mean of its divisors is an integer number (7360640).

Almost surely, 2^145333456 is an apocalyptic number.

145333456 is a gapful number since it is divisible by the number (16) 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 145333456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147212800).

145333456 is an abundant number, since it is smaller than the sum of its proper divisors (149092144).

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

145333456 is a wasteful number, since it uses less digits than its factorization.

145333456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827 (or 3821 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 145333456 is about 12055.4326342940. The cubic root of 145333456 is about 525.7612008608.

Adding to 145333456 its reverse (654333541), we get a palindrome (799666997).

The spelling of 145333456 in words is "one hundred forty-five million, three hundred thirty-three thousand, four hundred fifty-six".