145697735 has 8 divisors (see below), whose sum is σ = 185121936. Its totient is φ = 109701760.

The previous prime is 145697729. The next prime is 145697753. The reversal of 145697735 is 537796541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145697735 - 2¹⁰ = 145696711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145697735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856961 + ... + 857130.

It is an arithmetic number, because the mean of its divisors is an integer number (23140242).

Almost surely, 2^145697735 is an apocalyptic number.

145697735 is a deficient number, since it is larger than the sum of its proper divisors (39424201).

145697735 is a wasteful number, since it uses less digits than its factorization.

145697735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714113.

The product of its digits is 793800, while the sum is 47.

The square root of 145697735 is about 12070.5316784307. The cubic root of 145697735 is about 526.2001086751.

The spelling of 145697735 in words is "one hundred forty-five million, six hundred ninety-seven thousand, seven hundred thirty-five".