145165245 has 32 divisors (see below), whose sum is σ = 241876992. Its totient is φ = 74276352.

The previous prime is 145165243. The next prime is 145165283. The reversal of 145165245 is 542561541.

It is not a de Polignac number, because 145165245 - 2¹ = 145165243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145165243) 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, 38724 + ... + 42306.

It is an arithmetic number, because the mean of its divisors is an integer number (7558656).

Almost surely, 2^145165245 is an apocalyptic number.

145165245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145165245 is a deficient number, since it is larger than the sum of its proper divisors (96711747).

145165245 is a wasteful number, since it uses less digits than its factorization.

145165245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701.

The product of its digits is 24000, while the sum is 33.

The square root of 145165245 is about 12048.4540502091. The cubic root of 145165245 is about 525.5582814004.

The spelling of 145165245 in words is "one hundred forty-five million, one hundred sixty-five thousand, two hundred forty-five".