19150145 has 16 divisors (see below), whose sum is σ = 27406080. Its totient is φ = 12560064.

The previous prime is 19150133. The next prime is 19150147. The reversal of 19150145 is 54105191.

It is a cyclic number.

It is not a de Polignac number, because 19150145 - 2⁴ = 19150129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19150147) 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, 11090 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (1712880).

Almost surely, 2^19150145 is an apocalyptic number.

It is an amenable number.

19150145 is a deficient number, since it is larger than the sum of its proper divisors (8255935).

19150145 is a wasteful number, since it uses less digits than its factorization.

19150145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23824.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 19150145 is about 4376.0878647486. The cubic root of 19150145 is about 267.5412112242.

The spelling of 19150145 in words is "nineteen million, one hundred fifty thousand, one hundred forty-five".