145609654 has 16 divisors (see below), whose sum is σ = 231462000. Its totient is φ = 68507424.

The previous prime is 145609649. The next prime is 145609657. The reversal of 145609654 is 456906541.

It is a happy number.

145609654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145609657) 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, 7197 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (14466375).

Almost surely, 2^145609654 is an apocalyptic number.

145609654 is a deficient number, since it is larger than the sum of its proper divisors (85852346).

145609654 is a wasteful number, since it uses less digits than its factorization.

145609654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25887.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 145609654 is about 12066.8825302975. The cubic root of 145609654 is about 526.0940498889.

The spelling of 145609654 in words is "one hundred forty-five million, six hundred nine thousand, six hundred fifty-four".