145333390 has 16 divisors (see below), whose sum is σ = 262154880. Its totient is φ = 58010080.

The previous prime is 145333381. The next prime is 145333393. The reversal of 145333390 is 93333541.

It is a super-2 number, since 2×145333390² = 42243588497784200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145333393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10381 + ... + 19960.

It is an arithmetic number, because the mean of its divisors is an integer number (16384680).

Almost surely, 2^145333390 is an apocalyptic number.

145333390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145333390 is a deficient number, since it is larger than the sum of its proper divisors (116821490).

145333390 is a wasteful number, since it uses less digits than its factorization.

145333390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30827.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 145333390 is about 12055.4298969386. The cubic root of 145333390 is about 525.7611212732.

It can be divided in two parts, 1453 and 33390, that added together give a palindrome (34843).

The spelling of 145333390 in words is "one hundred forty-five million, three hundred thirty-three thousand, three hundred ninety".