145541407 has 8 divisors (see below), whose sum is σ = 158936400. Its totient is φ = 132173760.

The previous prime is 145541371. The next prime is 145541441. The reversal of 145541407 is 704145541.

145541407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145541407 - 2¹⁵ = 145508639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145541477) 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, 5233 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (19867050).

Almost surely, 2^145541407 is an apocalyptic number.

145541407 is a deficient number, since it is larger than the sum of its proper divisors (13394993).

145541407 is a wasteful number, since it uses less digits than its factorization.

145541407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 145541407 is about 12064.0543350898. The cubic root of 145541407 is about 526.0118439121.

Adding to 145541407 its reverse (704145541), we get a palindrome (849686948).

The spelling of 145541407 in words is "one hundred forty-five million, five hundred forty-one thousand, four hundred seven".