145140334 has 4 divisors (see below), whose sum is σ = 217710504. Its totient is φ = 72570166.

The previous prime is 145140329. The next prime is 145140337. The reversal of 145140334 is 433041541.

145140334 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, and also an emirpimes, since its reverse is a distinct semiprime: 433041541 = 6359 ⋅68099.

It is a junction number, because it is equal to n+sod(n) for n = 145140299 and 145140308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145140337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36285082 + ... + 36285085.

It is an arithmetic number, because the mean of its divisors is an integer number (54427626).

Almost surely, 2^145140334 is an apocalyptic number.

145140334 is a deficient number, since it is larger than the sum of its proper divisors (72570170).

145140334 is an equidigital number, since it uses as much as digits as its factorization.

145140334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72570169.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 145140334 is about 12047.4202217736. The cubic root of 145140334 is about 525.5282169698.

Adding to 145140334 its reverse (433041541), we get a palindrome (578181875).

The spelling of 145140334 in words is "one hundred forty-five million, one hundred forty thousand, three hundred thirty-four".