145695698 has 4 divisors (see below), whose sum is σ = 218543550. Its totient is φ = 72847848.

The previous prime is 145695689. The next prime is 145695701. The reversal of 145695698 is 896596541.

It is a happy number.

145695698 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105411289 + 40284409 = 10267^2 + 6347^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36423923 + ... + 36423926.

Almost surely, 2^145695698 is an apocalyptic number.

145695698 is a deficient number, since it is larger than the sum of its proper divisors (72847852).

145695698 is an equidigital number, since it uses as much as digits as its factorization.

145695698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72847851.

The product of its digits is 2332800, while the sum is 53.

The square root of 145695698 is about 12070.4472990855. The cubic root of 145695698 is about 526.1976563958.

The spelling of 145695698 in words is "one hundred forty-five million, six hundred ninety-five thousand, six hundred ninety-eight".