145527801 has 16 divisors (see below), whose sum is σ = 197520960. Its totient is φ = 95290560.

The previous prime is 145527799. The next prime is 145527847. The reversal of 145527801 is 108725541.

It is not a de Polignac number, because 145527801 - 2¹ = 145527799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145527101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43455 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (12345060).

Almost surely, 2^145527801 is an apocalyptic number.

It is an amenable number.

145527801 is a deficient number, since it is larger than the sum of its proper divisors (51993159).

145527801 is a wasteful number, since it uses less digits than its factorization.

145527801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 145527801 is about 12063.4904152986. The cubic root of 145527801 is about 525.9954519213.

The spelling of 145527801 in words is "one hundred forty-five million, five hundred twenty-seven thousand, eight hundred one".