144734536 has 32 divisors (see below), whose sum is σ = 281191680. Its totient is φ = 69768000.

The previous prime is 144734531. The next prime is 144734537. The reversal of 144734536 is 635437441.

It is a super-2 number, since 2×144734536² = 41896171822270592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144734495 and 144734504.

It is not an unprimeable number, because it can be changed into a prime (144734531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75186 + ... + 77086.

It is an arithmetic number, because the mean of its divisors is an integer number (8787240).

Almost surely, 2^144734536 is an apocalyptic number.

It is an amenable number.

144734536 is a deficient number, since it is larger than the sum of its proper divisors (136457144).

144734536 is a wasteful number, since it uses less digits than its factorization.

144734536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2241 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 144734536 is about 12030.5667364426. The cubic root of 144734536 is about 525.0379848556.

The spelling of 144734536 in words is "one hundred forty-four million, seven hundred thirty-four thousand, five hundred thirty-six".