145911237 has 8 divisors (see below), whose sum is σ = 194616000. Its totient is φ = 97240320.

The previous prime is 145911223. The next prime is 145911253. The reversal of 145911237 is 732119541.

145911237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145911237 - 2⁸ = 145910981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145911198 and 145911207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145911277) 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, 4389 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (24327000).

Almost surely, 2^145911237 is an apocalyptic number.

It is an amenable number.

145911237 is a deficient number, since it is larger than the sum of its proper divisors (48704763).

145911237 is a wasteful number, since it uses less digits than its factorization.

145911237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16923.

The product of its digits is 7560, while the sum is 33.

The square root of 145911237 is about 12079.3723760798. The cubic root of 145911237 is about 526.4570102768.

The spelling of 145911237 in words is "one hundred forty-five million, nine hundred eleven thousand, two hundred thirty-seven".