145740153 has 8 divisors (see below), whose sum is σ = 209267968. Its totient is φ = 89686224.

The previous prime is 145740143. The next prime is 145740157. The reversal of 145740153 is 351047541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145740153 - 2²⁰ = 144691577 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145740153.

It is not an unprimeable number, because it can be changed into a prime (145740157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868425 + ... + 1868502.

It is an arithmetic number, because the mean of its divisors is an integer number (26158496).

Almost surely, 2^145740153 is an apocalyptic number.

145740153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145740153 is a deficient number, since it is larger than the sum of its proper divisors (63527815).

145740153 is a wasteful number, since it uses less digits than its factorization.

145740153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736943.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 145740153 is about 12072.2886396905. The cubic root of 145740153 is about 526.2511691588.

Adding to 145740153 its reverse (351047541), we get a palindrome (496787694).

The spelling of 145740153 in words is "one hundred forty-five million, seven hundred forty thousand, one hundred fifty-three".