145321414 has 16 divisors (see below), whose sum is σ = 249290496. Its totient is φ = 62238600.

The previous prime is 145321403. The next prime is 145321427. The reversal of 145321414 is 414123541.

145321414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145321414² = 42236626733918792, 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, 27399 + ... + 32269.

It is an arithmetic number, because the mean of its divisors is an integer number (15580656).

Almost surely, 2^145321414 is an apocalyptic number.

145321414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145321414 is a deficient number, since it is larger than the sum of its proper divisors (103969082).

145321414 is a wasteful number, since it uses less digits than its factorization.

145321414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011.

The product of its digits is 1920, while the sum is 25.

The square root of 145321414 is about 12054.9331810674. The cubic root of 145321414 is about 525.7466793335.

Adding to 145321414 its reverse (414123541), we get a palindrome (559444955).

The spelling of 145321414 in words is "one hundred forty-five million, three hundred twenty-one thousand, four hundred fourteen".