145040451 has 8 divisors (see below), whose sum is σ = 193633104. Its totient is φ = 96570720.

The previous prime is 145040437. The next prime is 145040479. The reversal of 145040451 is 154040541.

It is a happy number.

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

It is not a de Polignac number, because 145040451 - 2⁶ = 145040387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145040491) 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, 27940 + ... + 32721.

It is an arithmetic number, because the mean of its divisors is an integer number (24204138).

Almost surely, 2^145040451 is an apocalyptic number.

145040451 is a deficient number, since it is larger than the sum of its proper divisors (48592653).

145040451 is an equidigital number, since it uses as much as digits as its factorization.

145040451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61461.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 145040451 is about 12043.2740980184. The cubic root of 145040451 is about 525.4076362434.

Adding to 145040451 its reverse (154040541), we get a palindrome (299080992).

The spelling of 145040451 in words is "one hundred forty-five million, forty thousand, four hundred fifty-one".