144235701 has 16 divisors (see below), whose sum is σ = 226252800. Its totient is φ = 90500544.

The previous prime is 144235699. The next prime is 144235709. The reversal of 144235701 is 107532441.

144235701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144235701 - 2¹ = 144235699 is a prime.

It is a super-2 number, since 2×144235701² = 41607874885922802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144235709) 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, 156661 + ... + 157578.

It is an arithmetic number, because the mean of its divisors is an integer number (14140800).

Almost surely, 2^144235701 is an apocalyptic number.

It is an amenable number.

144235701 is a deficient number, since it is larger than the sum of its proper divisors (82017099).

144235701 is a wasteful number, since it uses less digits than its factorization.

144235701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314265 (or 314259 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 144235701 is about 12009.8168595529. The cubic root of 144235701 is about 524.4341004379.

The spelling of 144235701 in words is "one hundred forty-four million, two hundred thirty-five thousand, seven hundred one".