145374743 has 4 divisors (see below), whose sum is σ = 151695408. Its totient is φ = 139054080.

The previous prime is 145374737. The next prime is 145374751. The reversal of 145374743 is 347473541.

It is a happy number.

145374743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145374743 - 2⁴ = 145374727 is a prime.

It is a super-2 number, since 2×145374743² = 42267631804632098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145374697 and 145374706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145374763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3160298 + ... + 3160343.

It is an arithmetic number, because the mean of its divisors is an integer number (37923852).

Almost surely, 2^145374743 is an apocalyptic number.

145374743 is a deficient number, since it is larger than the sum of its proper divisors (6320665).

145374743 is an equidigital number, since it uses as much as digits as its factorization.

145374743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320664.

The product of its digits is 141120, while the sum is 38.

The square root of 145374743 is about 12057.1448942111. The cubic root of 145374743 is about 525.8109830378.

The spelling of 145374743 in words is "one hundred forty-five million, three hundred seventy-four thousand, seven hundred forty-three".