145445703 has 32 divisors (see below), whose sum is σ = 220872960. Its totient is φ = 84395520.

The previous prime is 145445689. The next prime is 145445719. The reversal of 145445703 is 307544541.

145445703 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 145445703 - 2⁹ = 145445191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145445723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244975 + ... + 245567.

It is an arithmetic number, because the mean of its divisors is an integer number (6902280).

Almost surely, 2^145445703 is an apocalyptic number.

145445703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145445703 is a deficient number, since it is larger than the sum of its proper divisors (75427257).

145445703 is a wasteful number, since it uses less digits than its factorization.

145445703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 145445703 is about 12060.0871887396. The cubic root of 145445703 is about 525.8965216887.

The spelling of 145445703 in words is "one hundred forty-five million, four hundred forty-five thousand, seven hundred three".