145361018 has 16 divisors (see below), whose sum is σ = 240222240. Its totient is φ = 65418000.

The previous prime is 145361017. The next prime is 145361059. The reversal of 145361018 is 810163541.

It is a super-2 number, since 2×145361018² = 42259651107992648, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145361017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30488 + ... + 34931.

It is an arithmetic number, because the mean of its divisors is an integer number (15013890).

Almost surely, 2^145361018 is an apocalyptic number.

145361018 is a deficient number, since it is larger than the sum of its proper divisors (94861222).

145361018 is a wasteful number, since it uses less digits than its factorization.

145361018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65533.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 145361018 is about 12056.5757161808. The cubic root of 145361018 is about 525.7944350398.

It can be divided in two parts, 145 and 361018, that added together give a palindrome (361163).

The spelling of 145361018 in words is "one hundred forty-five million, three hundred sixty-one thousand, eighteen".