145027407 has 12 divisors (see below), whose sum is σ = 224940696. Its totient is φ = 82872720.

The previous prime is 145027387. The next prime is 145027409. The reversal of 145027407 is 704720541.

145027407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145027407 - 2⁷ = 145027279 is a prime.

It is a super-2 number, since 2×145027407² = 42065897562287298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145027409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493144 + ... + 493437.

It is an arithmetic number, because the mean of its divisors is an integer number (18745058).

Almost surely, 2^145027407 is an apocalyptic number.

145027407 is a deficient number, since it is larger than the sum of its proper divisors (79913289).

145027407 is an equidigital number, since it uses as much as digits as its factorization.

145027407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986598 (or 986591 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 145027407 is about 12042.7325387555. The cubic root of 145027407 is about 525.3918851831.

Adding to 145027407 its reverse (704720541), we get a palindrome (849747948).

The spelling of 145027407 in words is "one hundred forty-five million, twenty-seven thousand, four hundred seven".