It is a cyclic number.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
Almost surely, 2125454345 is an apocalyptic number.
125454345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125454345 is a wasteful number, since it uses less digits than its factorization.
125454345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23664.
The square root of 125454345 is about 11200.6403834781. The cubic root of 125454345 is about 500.6050608407.
The spelling of 125454345 in words is "one hundred twenty-five million, four hundred fifty-four thousand, three hundred forty-five".