145969241 has 8 divisors (see below), whose sum is σ = 159466944. Its totient is φ = 132509520.

The previous prime is 145969211. The next prime is 145969283. The reversal of 145969241 is 142969541.

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

It is not a de Polignac number, because 145969241 - 2⁶ = 145969177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145969211) 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, 1130 + ... + 17123.

It is an arithmetic number, because the mean of its divisors is an integer number (19933368).

Almost surely, 2^145969241 is an apocalyptic number.

145969241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145969241 is a deficient number, since it is larger than the sum of its proper divisors (13497703).

145969241 is a wasteful number, since it uses less digits than its factorization.

145969241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991.

The product of its digits is 77760, while the sum is 41.

The square root of 145969241 is about 12081.7730900725. The cubic root of 145969241 is about 526.5267617402.

The spelling of 145969241 in words is "one hundred forty-five million, nine hundred sixty-nine thousand, two hundred forty-one".